in a math book
An integer is any whole number. It could be positive, zero or negative.
Multiply the numerator and the denominator by the same integer.
Multiplication by an integer is the same as repeated addition.
As long as the negative integer is greater than the positive integer, a negative integer will result from addition, subtraction, multiplication, and division.
There is no general trick. There are some that are specific to specific problems.
It is called multiplication.
It is a special case of multiplication by a positive integer.
None. -10 is an integer, not a fraction.
proper fraction
To find an integer you ask your teacher.
22x111x21x222x11
1x82x4