Answers

Subtract 27/14 from 28/63

1^st number: 28/63, 2^nd number: 1 13/14

28/63 - 27/14 is -187/126.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 14 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 63 × 2 = 126,
   28/63 = 28 × 2/63 × 2 = 56/126
3. Likewise, for the 2nd fraction, since 14 × 9 = 126,
   27/14 = 27 × 9/14 × 9 = 243/126
4. Subtract the two like fractions:
   56/126 - 243/126 = 56 - 243/126 = -187/126

MathStep (Works offline)

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

Related: ⁵⁶/₆₃-²⁷/₁₄ ²⁸/₆₃-⁵⁴/₁₄ ²⁸/₆₃-²⁷/₂₈ ⁸⁴/₆₃-²⁷/₁₄ ²⁸/₆₃-⁸¹/₁₄ ²⁸/₆₃-²⁷/₄₂ ²⁸/₆₃-²⁷/₇₀ ²⁸/₆₃-²⁷/₉₈

Subtract Fractions Calculator