Answers

Subtract 63/4 from 24/42

1^st number: 24/42, 2^nd number: 15 3/4

24/42 - 63/4 is -425/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 4 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 42 × 2 = 84,
   24/42 = 24 × 2/42 × 2 = 48/84
3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
   63/4 = 63 × 21/4 × 21 = 1323/84
4. Subtract the two like fractions:
   48/84 - 1323/84 = 48 - 1323/84 = -1275/84
5. After reducing the fraction, the answer is -425/28

MathStep (Works offline)

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

Related: ⁴⁸/₄₂-⁶³/₄ ²⁴/₈₄-⁶³/₄ ²⁴/₄₂-⁶³/₈ ⁷²/₄₂-⁶³/₄ ²⁴/₄₂-⁶³/₁₂ ²⁴/₄₂-⁶³/₂₀ ²⁴/₄₂-⁶³/₂₈

Subtract Fractions Calculator