Answers

Subtract 20/56 from 84/80

1^st number: 1 4/80, 2^nd number: 20/56

84/80 - 20/56 is 97/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 56 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 80 × 7 = 560,
   84/80 = 84 × 7/80 × 7 = 588/560
3. Likewise, for the 2nd fraction, since 56 × 10 = 560,
   20/56 = 20 × 10/56 × 10 = 200/560
4. Subtract the two like fractions:
   588/560 - 200/560 = 588 - 200/560 = 388/560
5. After reducing the fraction, the answer is 97/140

MathStep (Works offline)

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

Related: ⁸⁴/₈₀-⁴⁰/₅₆ ⁸⁴/₈₀-⁶⁰/₅₆

Subtract Fractions Calculator