Answers

Subtract 96/54 from 15/40

1^st number: 15/40, 2^nd number: 1 42/54

15/40 - 96/54 is -101/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 54 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 40 × 27 = 1080,
   15/40 = 15 × 27/40 × 27 = 405/1080
3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
   96/54 = 96 × 20/54 × 20 = 1920/1080
4. Subtract the two like fractions:
   405/1080 - 1920/1080 = 405 - 1920/1080 = -1515/1080
5. After reducing the fraction, the answer is -101/72

MathStep (Works offline)

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

Related: ³⁰/₄₀-⁹⁶/₅₄ ¹⁵/₈₀-⁹⁶/₅₄ ⁴⁵/₄₀-⁹⁶/₅₄ ⁷⁵/₄₀-⁹⁶/₅₄

Subtract Fractions Calculator