Answers

Subtract 60/80 from 45/7

1^st number: 6 3/7, 2^nd number: 60/80

45/7 - 60/80 is 159/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 7 × 80 = 560,
   45/7 = 45 × 80/7 × 80 = 3600/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   60/80 = 60 × 7/80 × 7 = 420/560
4. Subtract the two like fractions:
   3600/560 - 420/560 = 3600 - 420/560 = 3180/560
5. After reducing the fraction, the answer is 159/28
6. In mixed form: 519/28

MathStep (Works offline)

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

Related: ⁹⁰/₇-⁶⁰/₈₀ ⁴⁵/₁₄-⁶⁰/₈₀ ⁴⁵/₂₁-⁶⁰/₈₀ ⁴⁵/₃₅-⁶⁰/₈₀ ⁴⁵/₄₉-⁶⁰/₈₀

Subtract Fractions Calculator