Answers

Subtract 63/28 from 25/18

1^st number: 1 7/18, 2^nd number: 2 7/28

25/18 - 63/28 is -31/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 28 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 18 × 14 = 252,
   25/18 = 25 × 14/18 × 14 = 350/252
3. Likewise, for the 2nd fraction, since 28 × 9 = 252,
   63/28 = 63 × 9/28 × 9 = 567/252
4. Subtract the two like fractions:
   350/252 - 567/252 = 350 - 567/252 = -217/252
5. After reducing the fraction, the answer is -31/36

MathStep (Works offline)

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

Related: ⁵⁰/₁₈-⁶³/₂₈ ²⁵/₃₆-⁶³/₂₈ ²⁵/₁₈-⁶³/₅₆ ⁷⁵/₁₈-⁶³/₂₈ ²⁵/₅₄-⁶³/₂₈ ²⁵/₁₈-⁶³/₈₄ ²⁵/₉₀-⁶³/₂₈

Subtract Fractions Calculator