Answers

Subtract 3/80 from 35/20

1^st number: 1 15/20, 2^nd number: 3/80

35/20 - 3/80 is 137/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 20 × 4 = 80,
   35/20 = 35 × 4/20 × 4 = 140/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   3/80 = 3 × 1/80 × 1 = 3/80
4. Subtract the two like fractions:
   140/80 - 3/80 = 140 - 3/80 = 137/80
5. In mixed form: 157/80

MathStep (Works offline)

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

Related: ⁷⁰/₂₀-³/₈₀ ³⁵/₂₀-⁶/₈₀ ³⁵/₄₀-³/₈₀ ³⁵/₂₀-⁹/₈₀ ³⁵/₆₀-³/₈₀ ³⁵/₂₀-¹⁵/₈₀ ³⁵/₂₀-²¹/₈₀

Subtract Fractions Calculator