Answers

Subtract 20/84 from 30/48

30/48 - 20/84 is 65/168.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 84 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 48 × 7 = 336,
   30/48 = 30 × 7/48 × 7 = 210/336
3. Likewise, for the 2nd fraction, since 84 × 4 = 336,
   20/84 = 20 × 4/84 × 4 = 80/336
4. Subtract the two like fractions:
   210/336 - 80/336 = 210 - 80/336 = 130/336
5. After reducing the fraction, the answer is 65/168

MathStep (Works offline)

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

Related: ⁶⁰/₄₈-²⁰/₈₄ ³⁰/₄₈-⁴⁰/₈₄ ³⁰/₉₆-²⁰/₈₄ ⁹⁰/₄₈-²⁰/₈₄ ³⁰/₄₈-⁶⁰/₈₄

Subtract Fractions Calculator