Answers

Add 70/20 and 56/9

1^st number: 3 10/20, 2^nd number: 6 2/9

70/20 + 56/9 is 175/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 9 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   70/20 = 70 × 9/20 × 9 = 630/180
3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
   56/9 = 56 × 20/9 × 20 = 1120/180
4. Add the two like fractions:
   630/180 + 1120/180 = 630 + 1120/180 = 1750/180
5. 1750/180 simplified gives 175/18
6. So, 70/20 + 56/9 = 175/18
   In mixed form: 913/18

MathStep (Works offline)

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

Related: ⁷⁰/₄₀+⁵⁶/₉ ⁷⁰/₂₀+⁵⁶/₁₈ ⁷⁰/₆₀+⁵⁶/₉ ⁷⁰/₂₀+⁵⁶/₂₇ ⁷⁰/₂₀+⁵⁶/₄₅ ⁷⁰/₂₀+⁵⁶/₆₃

Add Fractions Calculator