Answers

Subtract 35/49 from 70/40

1^st number: 1 30/40, 2^nd number: 35/49

70/40 - 35/49 is 29/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 49 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 40 × 49 = 1960,
   70/40 = 70 × 49/40 × 49 = 3430/1960
3. Likewise, for the 2nd fraction, since 49 × 40 = 1960,
   35/49 = 35 × 40/49 × 40 = 1400/1960
4. Subtract the two like fractions:
   3430/1960 - 1400/1960 = 3430 - 1400/1960 = 2030/1960
5. After reducing the fraction, the answer is 29/28
6. In mixed form: 11/28

MathStep (Works offline)

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

Related: ⁷⁰/₄₀-⁷⁰/₄₉ ⁷⁰/₈₀-³⁵/₄₉ ⁷⁰/₄₀-³⁵/₉₈

Subtract Fractions Calculator