Answers

Subtract 20/7 from 15/24

1^st number: 15/24, 2^nd number: 2 6/7

15/24 - 20/7 is -125/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 7 is 168
2. For the 1st fraction, since 24 × 7 = 168,
   15/24 = 15 × 7/24 × 7 = 105/168
3. Likewise, for the 2nd fraction, since 7 × 24 = 168,
   20/7 = 20 × 24/7 × 24 = 480/168
4. Subtract the two fractions:
   105/168 - 480/168 = 105 - 480/168 = -375/168
5. After reducing the fraction, the answer is -125/56

MathStep (Works offline)

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

Related: ³⁰/₂₄-²⁰/₇ ¹⁵/₂₄-⁴⁰/₇ ¹⁵/₄₈-²⁰/₇ ¹⁵/₂₄-²⁰/₁₄ ⁴⁵/₂₄-²⁰/₇ ¹⁵/₂₄-⁶⁰/₇ ¹⁵/₇₂-²⁰/₇ ¹⁵/₂₄-²⁰/₂₁ ⁷⁵/₂₄-²⁰/₇ ¹⁵/₂₄-²⁰/₃₅ ¹⁵/₂₄-²⁰/₄₉

Subtract Fractions Calculator