Answers

Subtract 63/24 from 28/15

1^st number: 1 13/15, 2^nd number: 2 15/24

28/15 - 63/24 is -91/120.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 24 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 15 × 8 = 120,
   28/15 = 28 × 8/15 × 8 = 224/120
3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
   63/24 = 63 × 5/24 × 5 = 315/120
4. Subtract the two like fractions:
   224/120 - 315/120 = 224 - 315/120 = -91/120

MathStep (Works offline)

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

Related: ⁵⁶/₁₅-⁶³/₂₄ ²⁸/₃₀-⁶³/₂₄ ²⁸/₁₅-⁶³/₄₈ ⁸⁴/₁₅-⁶³/₂₄ ²⁸/₄₅-⁶³/₂₄ ²⁸/₁₅-⁶³/₇₂ ²⁸/₇₅-⁶³/₂₄

Subtract Fractions Calculator