Answers

Subtract 21/96 from 50/30

1^st number: 1 20/30, 2^nd number: 21/96

50/30 - 21/96 is 139/96.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 96 is 480
   
   Next, find the equivalent fraction of both fractional numbers with denominator 480
2. For the 1st fraction, since 30 × 16 = 480,
   50/30 = 50 × 16/30 × 16 = 800/480
3. Likewise, for the 2nd fraction, since 96 × 5 = 480,
   21/96 = 21 × 5/96 × 5 = 105/480
4. Subtract the two like fractions:
   800/480 - 105/480 = 800 - 105/480 = 695/480
5. After reducing the fraction, the answer is 139/96
6. In mixed form: 143/96

MathStep (Works offline)

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

Related: ⁵⁰/₃₀-⁴²/₉₆ ⁵⁰/₆₀-²¹/₉₆ ⁵⁰/₃₀-⁶³/₉₆ ⁵⁰/₉₀-²¹/₉₆

Subtract Fractions Calculator