Answers

Subtract 63/32 from 10/42

1^st number: 10/42, 2^nd number: 1 31/32

10/42 - 63/32 is -1163/672.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 32 is 672
   
   Next, find the equivalent fraction of both fractional numbers with denominator 672
2. For the 1st fraction, since 42 × 16 = 672,
   10/42 = 10 × 16/42 × 16 = 160/672
3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
   63/32 = 63 × 21/32 × 21 = 1323/672
4. Subtract the two like fractions:
   160/672 - 1323/672 = 160 - 1323/672 = -1163/672

MathStep (Works offline)

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

Related: ²⁰/₄₂-⁶³/₃₂ ¹⁰/₈₄-⁶³/₃₂ ¹⁰/₄₂-⁶³/₆₄ ³⁰/₄₂-⁶³/₃₂ ¹⁰/₄₂-⁶³/₉₆ ⁵⁰/₄₂-⁶³/₃₂ ⁷⁰/₄₂-⁶³/₃₂

Subtract Fractions Calculator