Answers

Subtract 27/24 from 20/36

1^st number: 20/36, 2^nd number: 1 3/24

20/36 - 27/24 is -41/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 24 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 36 × 2 = 72,
   20/36 = 20 × 2/36 × 2 = 40/72
3. Likewise, for the 2nd fraction, since 24 × 3 = 72,
   27/24 = 27 × 3/24 × 3 = 81/72
4. Subtract the two like fractions:
   40/72 - 81/72 = 40 - 81/72 = -41/72

MathStep (Works offline)

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

Related: ⁴⁰/₃₆-²⁷/₂₄ ²⁰/₃₆-⁵⁴/₂₄ ²⁰/₇₂-²⁷/₂₄ ²⁰/₃₆-²⁷/₄₈ ⁶⁰/₃₆-²⁷/₂₄ ²⁰/₃₆-⁸¹/₂₄ ²⁰/₃₆-²⁷/₇₂

Subtract Fractions Calculator