Answers

Add 8/84 and 20/7

1^st number: 8/84, 2^nd number: 2 6/7

8/84 + 20/7 is 62/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 7 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   8/84 = 8 × 1/84 × 1 = 8/84
3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
   20/7 = 20 × 12/7 × 12 = 240/84
4. Add the two like fractions:
   8/84 + 240/84 = 8 + 240/84 = 248/84
5. 248/84 simplified gives 62/21
6. So, 8/84 + 20/7 = 62/21
   In mixed form: 220/21

MathStep (Works offline)

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

Related: ¹⁶/₈₄+²⁰/₇ ⁸/₈₄+⁴⁰/₇ ⁸/₈₄+²⁰/₁₄ ²⁴/₈₄+²⁰/₇ ⁸/₈₄+⁶⁰/₇ ⁸/₈₄+²⁰/₂₁ ⁴⁰/₈₄+²⁰/₇ ⁸/₈₄+²⁰/₃₅ ⁵⁶/₈₄+²⁰/₇ ⁸/₈₄+²⁰/₄₉

Add Fractions Calculator