Answers

Subtract 48/42 from 15/96

1^st number: 15/96, 2^nd number: 1 6/42

15/96 - 48/42 is -221/224.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 96 and 42 is 672
   
   Next, find the equivalent fraction of both fractional numbers with denominator 672
2. For the 1st fraction, since 96 × 7 = 672,
   15/96 = 15 × 7/96 × 7 = 105/672
3. Likewise, for the 2nd fraction, since 42 × 16 = 672,
   48/42 = 48 × 16/42 × 16 = 768/672
4. Subtract the two like fractions:
   105/672 - 768/672 = 105 - 768/672 = -663/672
5. After reducing the fraction, the answer is -221/224

MathStep (Works offline)

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

Related: ³⁰/₉₆-⁴⁸/₄₂ ¹⁵/₉₆-⁹⁶/₄₂ ¹⁵/₉₆-⁴⁸/₈₄ ⁴⁵/₉₆-⁴⁸/₄₂ ⁷⁵/₉₆-⁴⁸/₄₂

Subtract Fractions Calculator