Answers

Subtract 56/80 from 8/28

8/28 - 56/80 is -29/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 28 × 20 = 560,
   8/28 = 8 × 20/28 × 20 = 160/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   56/80 = 56 × 7/80 × 7 = 392/560
4. Subtract the two like fractions:
   160/560 - 392/560 = 160 - 392/560 = -232/560
5. After reducing the fraction, the answer is -29/70

MathStep (Works offline)

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

Related: ¹⁶/₂₈-⁵⁶/₈₀ ⁸/₅₆-⁵⁶/₈₀ ²⁴/₂₈-⁵⁶/₈₀ ⁸/₈₄-⁵⁶/₈₀ ⁴⁰/₂₈-⁵⁶/₈₀ ⁵⁶/₂₈-⁵⁶/₈₀

Subtract Fractions Calculator