Answers

Subtract 63/80 from 20/24

20/24 - 63/80 is 11/240.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 24 × 10 = 240,
   20/24 = 20 × 10/24 × 10 = 200/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   63/80 = 63 × 3/80 × 3 = 189/240
4. Subtract the two like fractions:
   200/240 - 189/240 = 200 - 189/240 = 11/240

MathStep (Works offline)

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

Related: ⁴⁰/₂₄-⁶³/₈₀ ²⁰/₄₈-⁶³/₈₀ ⁶⁰/₂₄-⁶³/₈₀ ²⁰/₇₂-⁶³/₈₀

Subtract Fractions Calculator