Answers

Subtract 56/25 from 49/42

1^st number: 1 7/42, 2^nd number: 2 6/25

49/42 - 56/25 is -161/150.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 25 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 42 × 25 = 1050,
   49/42 = 49 × 25/42 × 25 = 1225/1050
3. Likewise, for the 2nd fraction, since 25 × 42 = 1050,
   56/25 = 56 × 42/25 × 42 = 2352/1050
4. Subtract the two like fractions:
   1225/1050 - 2352/1050 = 1225 - 2352/1050 = -1127/1050
5. After reducing the fraction, the answer is -161/150

MathStep (Works offline)

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

Related: ⁹⁸/₄₂-⁵⁶/₂₅ ⁴⁹/₈₄-⁵⁶/₂₅ ⁴⁹/₄₂-⁵⁶/₅₀ ⁴⁹/₄₂-⁵⁶/₇₅

Subtract Fractions Calculator