Answers

Subtract 80/40 from 20/96

1^st number: 20/96, 2^nd number: 2 0/40

20/96 - 80/40 is -43/24.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 96 and 40 is 480
   
   Next, find the equivalent fraction of both fractional numbers with denominator 480
2. For the 1st fraction, since 96 × 5 = 480,
   20/96 = 20 × 5/96 × 5 = 100/480
3. Likewise, for the 2nd fraction, since 40 × 12 = 480,
   80/40 = 80 × 12/40 × 12 = 960/480
4. Subtract the two like fractions:
   100/480 - 960/480 = 100 - 960/480 = -860/480
5. After reducing the fraction, the answer is -43/24

MathStep (Works offline)

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

Related: ⁴⁰/₉₆-⁸⁰/₄₀ ⁶⁰/₉₆-⁸⁰/₄₀

Subtract Fractions Calculator