Answers

Subtract 30/10 from 40/56

1^st number: 40/56, 2^nd number: 3 0/10

40/56 - 30/10 is -16/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 10 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   40/56 = 40 × 5/56 × 5 = 200/280
3. Likewise, for the 2nd fraction, since 10 × 28 = 280,
   30/10 = 30 × 28/10 × 28 = 840/280
4. Subtract the two like fractions:
   200/280 - 840/280 = 200 - 840/280 = -640/280
5. After reducing the fraction, the answer is -16/7

MathStep (Works offline)

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

Related: ⁸⁰/₅₆-³⁰/₁₀ ⁴⁰/₅₆-⁶⁰/₁₀ ⁴⁰/₅₆-³⁰/₂₀ ⁴⁰/₅₆-⁹⁰/₁₀ ⁴⁰/₅₆-³⁰/₅₀ ⁴⁰/₅₆-³⁰/₇₀

Subtract Fractions Calculator