Answers

Subtract 15/40 from 98/56

1^st number: 1 42/56, 2^nd number: 15/40

98/56 - 15/40 is 11/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   98/56 = 98 × 5/56 × 5 = 490/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   15/40 = 15 × 7/40 × 7 = 105/280
4. Subtract the two like fractions:
   490/280 - 105/280 = 490 - 105/280 = 385/280
5. After reducing the fraction, the answer is 11/8
6. In mixed form: 13/8

MathStep (Works offline)

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

Related: ⁹⁸/₅₆-³⁰/₄₀ ⁹⁸/₅₆-¹⁵/₈₀ ⁹⁸/₅₆-⁴⁵/₄₀ ⁹⁸/₅₆-⁷⁵/₄₀

Subtract Fractions Calculator