Answers

Subtract 96/70 from 15/20

1^st number: 15/20, 2^nd number: 1 26/70

15/20 - 96/70 is -87/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   15/20 = 15 × 7/20 × 7 = 105/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   96/70 = 96 × 2/70 × 2 = 192/140
4. Subtract the two like fractions:
   105/140 - 192/140 = 105 - 192/140 = -87/140

MathStep (Works offline)

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

Related: ³⁰/₂₀-⁹⁶/₇₀ ¹⁵/₄₀-⁹⁶/₇₀ ⁴⁵/₂₀-⁹⁶/₇₀ ¹⁵/₆₀-⁹⁶/₇₀ ⁷⁵/₂₀-⁹⁶/₇₀

Subtract Fractions Calculator