Answers

Subtract 35/20 from 70/4

1^st number: 17 2/4, 2^nd number: 1 15/20

70/4 - 35/20 is 63/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   70/4 = 70 × 5/4 × 5 = 350/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   35/20 = 35 × 1/20 × 1 = 35/20
4. Subtract the two like fractions:
   350/20 - 35/20 = 350 - 35/20 = 315/20
5. After reducing the fraction, the answer is 63/4
6. In mixed form: 153/4

MathStep (Works offline)

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

Related: ⁷⁰/₄-⁷⁰/₂₀ ⁷⁰/₈-³⁵/₂₀ ⁷⁰/₄-³⁵/₄₀ ⁷⁰/₁₂-³⁵/₂₀ ⁷⁰/₄-³⁵/₆₀ ⁷⁰/₂₀-³⁵/₂₀ ⁷⁰/₂₈-³⁵/₂₀

Subtract Fractions Calculator