Answers

Subtract 60/84 from 80/15

1^st number: 5 5/15, 2^nd number: 60/84

80/15 - 60/84 is 97/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 15 × 28 = 420,
   80/15 = 80 × 28/15 × 28 = 2240/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   60/84 = 60 × 5/84 × 5 = 300/420
4. Subtract the two like fractions:
   2240/420 - 300/420 = 2240 - 300/420 = 1940/420
5. After reducing the fraction, the answer is 97/21
6. In mixed form: 413/21

MathStep (Works offline)

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

Related: ⁸⁰/₃₀-⁶⁰/₈₄ ⁸⁰/₄₅-⁶⁰/₈₄ ⁸⁰/₇₅-⁶⁰/₈₄

Subtract Fractions Calculator