Answers

Subtract 63/21 from 10/50

1^st number: 10/50, 2^nd number: 3 0/21

10/50 - 63/21 is -14/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 21 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 50 × 21 = 1050,
   10/50 = 10 × 21/50 × 21 = 210/1050
3. Likewise, for the 2nd fraction, since 21 × 50 = 1050,
   63/21 = 63 × 50/21 × 50 = 3150/1050
4. Subtract the two like fractions:
   210/1050 - 3150/1050 = 210 - 3150/1050 = -2940/1050
5. After reducing the fraction, the answer is -14/5

MathStep (Works offline)

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

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

Subtract Fractions Calculator