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Answered 2010-11-20 17:31:36

A rational number is a fraction with an integer in the numerator, and a non-zero integer in the denominator. If you consider pi/2, pi/3, pi/4 (common 'fractions' of pi used in trigonometry) to be 'fractions', then these are not rational numbers.

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1.5 is a rational number because it can be written as the ratio 3/2 7 is a rational number because it could be written as the ratio 7/1 3/4 is a rational number because it could be written as a fraction


A rational number is a number that ends at some point. An irrational number is a number that never ends. Basically a fraction that can be simplified is a rational fraction. Pi is an example of an irrational number, because it never ends.


Yes.Why? Because a rational number is a number that can be written as a simple fraction.Example 1.5 is a rational number because 1.5 = 3/2 (it can be written as a fraction)Here are some more examples:Number As a Fraction Rational?5 5/1 Yes1.75 7/4 Yes.001 1/1000 Yes0.111... 1/9 Yes√2 ? NO !


There are many different kinds of fractions, some rational and some irrational.


Some real numbers can be expressed as a rational fraction.


Any number that can be expressed as a fraction is rational such as:- 3 = 3/1, 1.25 = 5/4, 0.125 = 1/8, 0.75 = 3/4 .... etc


Just write ANY fraction, with a polynomial in the numerator, and a polynomial in the denominator.


All integers and fractions are rational numbers whereas an irrational number can't be expressed as an integer or a fraction.


There are infinitely many rational number between 13 and 25. Some examples:13.0000001 13.0000001002 13.0000002


There are an infinite number of rational numbers between 0.26 and 0.29 - some examples are, 0.27, 0.275, 0.28, 0.285


It is a prime number It is a rational number It is an odd number It is 11/1 as an improper fraction It is 11.0 as a decimal


Irrationals differ from Rationals by definition. If a real number is not a Rational Number then it is Irrational. One way to find out if a number is either Rational or Irrational is to look at its decimal value. If the digits past the decimal point terminate then it is a Rational number. If the digits past the decimal point repeat the same digit forever, of if it repeats a sequence of digits over and over, then it is a Rational Number. If the digits past the decimal point do not repeat in any pattern, and do not stop, then it is an Irrational number. Another way to find out if a number is Rational or Irrational is if it can be exactly described by a fraction (ratio). If it is the same as some fraction, then it is a Rational Number. Irrationals cannot be exactly described as a fraction.


Rational NumbersA rational number is a number that can be written as a ratio. That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers. The number 8 is a rational number because it can be written as the fraction 8/1.Likewise, 3/4 is a rational number because it can be written as a fraction.Even a big, clunky fraction like 7,324,908/56,003,492 is rational, simply because it can be written as a fraction.Every whole number is a rational number, because any whole number can be written as a fraction. For example, 4 can be written as 4/1, 65 can be written as 65/1, and 3,867 can be written as 3,867/1.Irrational NumbersAll numbers that are not rational are considered irrational. An irrational number can be written as a decimal, but not as a fraction. An irrational number has endless non-repeating digits to the right of the decimal point. Here are some irrational numbers:π = 3.141592… = 1.414213…Although irrational numbers are not often used in daily life, they do exist on the number line. In fact, between 0 and 1 on the number line, there are an infinite number of irrational numbers!


Some real numbers can be expressed as a fraction, others cannot. Those that can be are called rational, and those that can't be are called irrational.


All real are rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


fraction, a whole number, and something else that i don't know.


An irrational number is a number that can't be expressed by a fraction having integers in both its numerator and denominator. A rational number can be.A rational number is defined to be a number that can be expressed as the ratio of two integers. An irrational number is any real number that is not rational. A rational number is a number that can be expressed as a fraction. An irrational number is one that can not.Some examples of rational numbers would be 5, 1.234, 5/3, or -3Some examples of irrational numbers would be π, the square root of 2, the golden ratio, or the square root of 3.A rational number is a number that either has a finite end or a repeating end, such as .35 or 1/9 (which is .1111111 repeating).An irrational number has an infinite set of numbers after the decimal that never repeat, such a the square root of 2 or pi.A rational number is one that can be expressed as a ratio of two integers, x and y (y not 0). An irrational number is one that cannot be expressed in such a form.In terms of decimal numbers, a rational number has a decimal representation that is terminating or [infinitely] recurring. The decimal representation for an irrational is neither terminating nor recurring. (Recurring decimals are also known as repeating decimals.)A rational number is a number that can be expressed as a fraction. An irrational number is one that can not.Some examples of rational numbers would be 5, 1.234, 5/3, or -3Some examples of irrational numbers would be π, the square root of 2, the golden ratio, or the square root of 3.An irrational number is a number that can't be expressed by a fraction having integers in both its numerator and denominator. A rational number can be.A rational number can be represented by a ratio of whole numbers. An irrational number cannot. There are many more irrational numbers than there are rational numbersRational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.A rational number can be expressed as a fraction, with integers in the numerator and the denominator. An irrational number can't be expressed in that way. Examples of irrational numbers are most square roots, cubic roots, etc., the number pi, and the number e.A rational number can always be written as a fractionwith whole numbers on the top and bottom.An irrational number can't.A rational number can always be written as a fraction with whole numbers on top and bottom.An irrational number can't.Any number that you can completely write down, with digits and a decimal pointor a fraction bar if you need them, is a rational number.A rational number can be expressed as a fraction whereas an irrational can not be expressed as a fraction.Just look at the definition of a rational number. A rational number is one that can be expressed as a fraction, with integers (whole numbers) in the numerator and the denominator. Those numbers that can't be expressed that way - for example, the square root of 2 - are said to be irrational.A rational number is any number that can be written as a ratio or fraction. If the decimal representation is finite orhas a repeating set of decimals, the number is rational.Irrational numbers cannot be reached by any finite use of the operators +,-, / and *. These numbers include square roots of non-square numbers, e.g.√2.Irrational numbers have decimal representations that never end or repeat.Transcendental numbers are different again - they are irrational, but cannot be expressed even with square roots or other 'integer exponentiation'. They are the numbers in between the numbers between the numbers between the integers. Famous examples includee or pi (π).By definition: a rational number can be expressed as a ratio of two integers, the second of which is not zero. An irrational cannot be so expressed.One consequence is that a rational number can be expressed as a terminating or infinitely recurring decimal whereas an irrational cannot.This consequence is valid whatever INTEGER base you happen to select: decimal, binary, octal, hexadecimal or any other - although for non-decimal bases, you will have the "binary point" or "octal point" in place of the decimal point and so on.A rational number can be expressed as a fraction whereas an irrational number can't be expressed as a fractionRational numbers can be expressed as a ratio of two integers, x/y, where y is not 0. Conventionally, y is taken to be greater than 0 but that is not an essential element of the definition. An irrational number is one for which such a pair of integers does not exist.Rational numbers can be expressed as one integer over another integer (a "ratio" of the two integers) whereas irrational numbers cannot.Also, the decimal representation ofa rational number will either: terminate (eg 31/250 = 0.124); orgo on forever repeating a sequence of digits at the end (eg 41/330 = 0.1242424... [the 24 repeats]);whereas an irrational number will not terminate, nor will there be a repeating sequence of digits at the end (eg π = 3.14159265.... [no sequence repeats]).Rational numbers are numbers that keeps on going non-stop, for example pie. Irrational numbers end. Its as simple as that! Improved Answer:-Rational numbers can be expressed as fractions whereas irrational numbers can't be expressed as fractions.a rational number can be expressed as a fraction in the form a/b (ie as a fraction).a irrational number cannot be expressed as a fraction (e.g. pi, square root of 2 etc)Rational numbers can be represented as fractions.That is to say, if we can write the number as a/b where a and b are any two integers and b is not zero. If we cannot do this, then the number is irrational.For example, .5 is a rational number because we can write it as 5/10=1/2The square root of 2 is irrational because there do not exist integers a and b suchthat square root of 2 equals a/b.Rational numbers can be expressed as fractions whereas irrational numbers can't be expressed as fractions.


Some examples are 1/3, -4/7, 5 3/4, -6.37


When an expression consists of a whole number and a proper fraction, we call it a mixed number. Here are some examples of mixed numbers: We can convert a mixed number to an improper fraction.


No. Rational numbers are numbers that can be written as a fraction. All rational numbers are real.


aationals are real. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


Some examples: 0, 3/5, -6, 0.23, -5


If you can write the number as a fraction, with integers in the numerator and the denominator, it is rational. In the case of decimal numbers, if the decimal representation terminates (e.g. 2.16), or is periodic (perhaps after some initial digits, like 4.130202020202...), then it is rational. For numbers defined according to some rule, it is not always known whether they are rational or irrational. ILuv You!![; <3 Hope This Helps You!!(:


A rational number is any number that can be express as a ratio integers whose decimal value is finite or at some point repeats with out end. (Any whole number - positive or negative- can be expressed as an improper fraction.




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