Answers

Add 70/12 and 50/84

1^st number: 5 10/12, 2^nd number: 50/84

70/12 + 50/84 is 45/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   70/12 = 70 × 7/12 × 7 = 490/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   50/84 = 50 × 1/84 × 1 = 50/84
4. Add the two like fractions:
   490/84 + 50/84 = 490 + 50/84 = 540/84
5. 540/84 simplified gives 45/7
6. So, 70/12 + 50/84 = 45/7
   In mixed form: 63/7

MathStep (Works offline)

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

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

Add Fractions Calculator