Answers

Add 70/84 and 7/8

70/84 + 7/8 is 41/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 8 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 84 × 2 = 168,
   70/84 = 70 × 2/84 × 2 = 140/168
3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
   7/8 = 7 × 21/8 × 21 = 147/168
4. Add the two like fractions:
   140/168 + 147/168 = 140 + 147/168 = 287/168
5. 287/168 simplified gives 41/24
6. So, 70/84 + 7/8 = 41/24
   In mixed form: 117/24

MathStep (Works offline)

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

Related: ⁷⁰/₈₄+¹⁴/₈ ⁷⁰/₈₄+⁷/₁₆ ⁷⁰/₈₄+²¹/₈ ⁷⁰/₈₄+⁷/₂₄ ⁷⁰/₈₄+³⁵/₈ ⁷⁰/₈₄+⁷/₄₀ ⁷⁰/₈₄+⁴⁹/₈ ⁷⁰/₈₄+⁷/₅₆

Add Fractions Calculator