Answers

Add 25/84 and 70/8

1^st number: 25/84, 2^nd number: 8 6/8

25/84 + 70/8 is 190/21.

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,
   25/84 = 25 × 2/84 × 2 = 50/168
3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
   70/8 = 70 × 21/8 × 21 = 1470/168
4. Add the two like fractions:
   50/168 + 1470/168 = 50 + 1470/168 = 1520/168
5. 1520/168 simplified gives 190/21
6. So, 25/84 + 70/8 = 190/21
   In mixed form: 91/21

MathStep (Works offline)

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

Related: ⁵⁰/₈₄+⁷⁰/₈ ²⁵/₈₄+⁷⁰/₁₆ ⁷⁵/₈₄+⁷⁰/₈ ²⁵/₈₄+⁷⁰/₂₄ ²⁵/₈₄+⁷⁰/₄₀ ²⁵/₈₄+⁷⁰/₅₆

Add Fractions Calculator