Answers

Subtract 20/30 from 84/56

1^st number: 1 28/56, 2^nd number: 20/30

84/56 - 20/30 is 5/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 30 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 56 × 15 = 840,
   84/56 = 84 × 15/56 × 15 = 1260/840
3. Likewise, for the 2nd fraction, since 30 × 28 = 840,
   20/30 = 20 × 28/30 × 28 = 560/840
4. Subtract the two like fractions:
   1260/840 - 560/840 = 1260 - 560/840 = 700/840
5. After reducing the fraction, the answer is 5/6

MathStep (Works offline)

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

Related: ⁸⁴/₅₆-⁴⁰/₃₀ ⁸⁴/₅₆-²⁰/₆₀ ⁸⁴/₅₆-⁶⁰/₃₀ ⁸⁴/₅₆-²⁰/₉₀

Subtract Fractions Calculator