Subtract Fractions - Arithmetic Step by Step

Subtract 3/8 from 7/8. The denominators already match, so subtract the numerators: 7 - 3 = 4, giving 4/8. Then simplify: 4/8 = 1/2.

Example

subtract-fractions.math

7/8 - 3/8

step: 7 - 3 = 4
step: 7/8 - 3/8 = 4/8
step: simplify: 4/8 = 1/2

subtract-and-simplify Subtracting fractions with the same denominator works just like adding: keep the denominator and subtract the numerators. Always check whether the result can be simplified by dividing both parts by their GCD.