In order to add or subtract like fractions we add or subtract their numerators and retain the common denominator.

Addition and subtraction of like fractions

Addition and subtraction of like fractions

Addition and subtraction of unlike fractions

The sum of the numerator and the denominator of a fraction is 20 if we subtract 5 from the numerator and 5 from denominator, then the ratio of the numerator and the denominator will be 1:4. Find the fraction.

A fraction becomes (1)/(3) when 1 is subtracted from both the numerator and the denominator. The same fraction becomes (1)/(2) when 1 is added to both the numerator and the denominator. The sum of numerator and denominator of the fraction is

If 3 is added to both the numerator and the denominator, the fraction becomes 10/11 . When 4 is subtracted from both the numerator and the denominator of the same fraction, it becomes 3/4 What is the value of the fraction?