Answers

Subtract 25/21 from 8/3

1^st number: 2 2/3, 2^nd number: 1 4/21

8/3 - 25/21 is 31/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 21 is 21
   
   Next, find the equivalent fraction of both fractional numbers with denominator 21
2. For the 1st fraction, since 3 × 7 = 21,
   8/3 = 8 × 7/3 × 7 = 56/21
3. Likewise, for the 2nd fraction, since 21 × 1 = 21,
   25/21 = 25 × 1/21 × 1 = 25/21
4. Subtract the two like fractions:
   56/21 - 25/21 = 56 - 25/21 = 31/21
5. In mixed form: 110/21

MathStep (Works offline)

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

Related: ¹⁶/₃-²⁵/₂₁ ⁸/₃-⁵⁰/₂₁ ⁸/₆-²⁵/₂₁ ⁸/₃-²⁵/₄₂ ²⁴/₃-²⁵/₂₁ ⁸/₃-⁷⁵/₂₁ ⁸/₉-²⁵/₂₁ ⁸/₃-²⁵/₆₃ ⁴⁰/₃-²⁵/₂₁ ⁸/₁₅-²⁵/₂₁ ⁵⁶/₃-²⁵/₂₁ ⁸/₂₁-²⁵/₂₁

Subtract Fractions Calculator