Answers

Subtract 28/21 from 10/21

1^st number: 10/21, 2^nd number: 1 7/21

10/21 - 28/21 is -6/7.

Steps for subtracting fractions

1. Subtract the two fractions:
   10/21 - 28/21 = 10 - 28/21 = -18/21
2. After reducing the fraction, the answer is -6/7

MathStep (Works offline)

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

Related: ²⁰/₂₁-²⁸/₂₁ ¹⁰/₂₁-⁵⁶/₂₁ ¹⁰/₄₂-²⁸/₂₁ ¹⁰/₂₁-²⁸/₄₂ ³⁰/₂₁-²⁸/₂₁ ¹⁰/₂₁-⁸⁴/₂₁ ¹⁰/₆₃-²⁸/₂₁ ¹⁰/₂₁-²⁸/₆₃ ⁵⁰/₂₁-²⁸/₂₁ ⁷⁰/₂₁-²⁸/₂₁

Subtract Fractions Calculator