Answers

Subtract 35/27 from 25/42

1^st number: 25/42, 2^nd number: 1 8/27

25/42 - 35/27 is -265/378.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 27 is 378
2. For the 1st fraction, since 42 × 9 = 378,
   25/42 = 25 × 9/42 × 9 = 225/378
3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
   35/27 = 35 × 14/27 × 14 = 490/378
4. Subtract the two fractions:
   225/378 - 490/378 = 225 - 490/378 = -265/378

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁵⁰/₄₂-³⁵/₂₇ ²⁵/₄₂-⁷⁰/₂₇ ²⁵/₈₄-³⁵/₂₇ ²⁵/₄₂-³⁵/₅₄ ⁷⁵/₄₂-³⁵/₂₇ ²⁵/₄₂-³⁵/₈₁

Subtract Fractions Calculator