Answers

Subtract 10/4 from 49/21

1^st number: 2 7/21, 2^nd number: 2 2/4

49/21 - 10/4 is -1/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 4 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 21 × 4 = 84,
   49/21 = 49 × 4/21 × 4 = 196/84
3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
   10/4 = 10 × 21/4 × 21 = 210/84
4. Subtract the two like fractions:
   196/84 - 210/84 = 196 - 210/84 = -14/84
5. After reducing the fraction, the answer is -1/6

MathStep (Works offline)

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

Related: ⁹⁸/₂₁-¹⁰/₄ ⁴⁹/₂₁-²⁰/₄ ⁴⁹/₄₂-¹⁰/₄ ⁴⁹/₂₁-¹⁰/₈ ⁴⁹/₂₁-³⁰/₄ ⁴⁹/₆₃-¹⁰/₄ ⁴⁹/₂₁-¹⁰/₁₂ ⁴⁹/₂₁-⁵⁰/₄ ⁴⁹/₂₁-¹⁰/₂₀ ⁴⁹/₂₁-⁷⁰/₄ ⁴⁹/₂₁-¹⁰/₂₈

Subtract Fractions Calculator