Answers

Subtract 80/56 from 12/80

1^st number: 12/80, 2^nd number: 1 24/56

12/80 - 80/56 is -179/140.

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,
   12/80 = 12 × 7/80 × 7 = 84/560
3. Likewise, for the 2nd fraction, since 56 × 10 = 560,
   80/56 = 80 × 10/56 × 10 = 800/560
4. Subtract the two like fractions:
   84/560 - 800/560 = 84 - 800/560 = -716/560
5. After reducing the fraction, the answer is -179/140

MathStep (Works offline)

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

Related: ²⁴/₈₀-⁸⁰/₅₆ ³⁶/₈₀-⁸⁰/₅₆ ⁶⁰/₈₀-⁸⁰/₅₆ ⁸⁴/₈₀-⁸⁰/₅₆

Subtract Fractions Calculator