Answers

Subtract 96/54 from 15/80

1^st number: 15/80, 2^nd number: 1 42/54

15/80 - 96/54 is -229/144.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 54 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 80 × 27 = 2160,
   15/80 = 15 × 27/80 × 27 = 405/2160
3. Likewise, for the 2nd fraction, since 54 × 40 = 2160,
   96/54 = 96 × 40/54 × 40 = 3840/2160
4. Subtract the two like fractions:
   405/2160 - 3840/2160 = 405 - 3840/2160 = -3435/2160
5. After reducing the fraction, the answer is -229/144

MathStep (Works offline)

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

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

Subtract Fractions Calculator