Answers

Subtract 45/27 from 60/84

1^st number: 60/84, 2^nd number: 1 18/27

60/84 - 45/27 is -20/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 27 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   60/84 = 60 × 9/84 × 9 = 540/756
3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
   45/27 = 45 × 28/27 × 28 = 1260/756
4. Subtract the two like fractions:
   540/756 - 1260/756 = 540 - 1260/756 = -720/756
5. After reducing the fraction, the answer is -20/21

MathStep (Works offline)

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

Related: ⁶⁰/₈₄-⁹⁰/₂₇ ⁶⁰/₈₄-⁴⁵/₅₄ ⁶⁰/₈₄-⁴⁵/₈₁

Subtract Fractions Calculator