Answers

Subtract 50/80 from 4/28

4/28 - 50/80 is -27/56.

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,
   4/28 = 4 × 20/28 × 20 = 80/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   50/80 = 50 × 7/80 × 7 = 350/560
4. Subtract the two like fractions:
   80/560 - 350/560 = 80 - 350/560 = -270/560
5. After reducing the fraction, the answer is -27/56

MathStep (Works offline)

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

Related: ⁸/₂₈-⁵⁰/₈₀ ⁴/₅₆-⁵⁰/₈₀ ¹²/₂₈-⁵⁰/₈₀ ⁴/₈₄-⁵⁰/₈₀ ²⁰/₂₈-⁵⁰/₈₀

Subtract Fractions Calculator