Answers

Add 70/12 and 50/81

1^st number: 5 10/12, 2^nd number: 50/81

70/12 + 50/81 is 1045/162.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 12 × 27 = 324,
   70/12 = 70 × 27/12 × 27 = 1890/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   50/81 = 50 × 4/81 × 4 = 200/324
4. Add the two like fractions:
   1890/324 + 200/324 = 1890 + 200/324 = 2090/324
5. 2090/324 simplified gives 1045/162
6. So, 70/12 + 50/81 = 1045/162
   In mixed form: 673/162

MathStep (Works offline)

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

Related: ⁷⁰/₂₄+⁵⁰/₈₁ ⁷⁰/₃₆+⁵⁰/₈₁ ⁷⁰/₆₀+⁵⁰/₈₁ ⁷⁰/₈₄+⁵⁰/₈₁

Add Fractions Calculator