What is a fraction that is undefined?
A fraction such that the divisor (denominator) is zero is undefined. Such a division is expressed as x/0 where x is the dividend (numerator). In ordinary arithmetic, the expression has no meaning so division by zero is undefined. ...
Why is twenty divided by zero is undefined?
Division by zero is undefined. Division is the inverse function of multiplication. Thus 20 divided by 4 is 5 because 5*4 = 20 But there is no number x such that, if 20/0 = x then x*0 = 20 ...