Answers

Add 70/40 and 10/70

1^st number: 1 30/40, 2^nd number: 10/70

70/40 + 10/70 is 53/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   70/40 = 70 × 7/40 × 7 = 490/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   10/70 = 10 × 4/70 × 4 = 40/280
4. Add the two like fractions:
   490/280 + 40/280 = 490 + 40/280 = 530/280
5. 530/280 simplified gives 53/28
6. So, 70/40 + 10/70 = 53/28
   In mixed form: 125/28

MathStep (Works offline)

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

Related: ⁷⁰/₄₀+²⁰/₇₀ ⁷⁰/₈₀+¹⁰/₇₀ ⁷⁰/₄₀+³⁰/₇₀ ⁷⁰/₄₀+⁵⁰/₇₀

Add Fractions Calculator