Answers

Add 10/84 and 80/5

1^st number: 10/84, 2^nd number: 16 0/5

10/84 + 80/5 is 677/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 5 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   10/84 = 10 × 5/84 × 5 = 50/420
3. Likewise, for the 2nd fraction, since 5 × 84 = 420,
   80/5 = 80 × 84/5 × 84 = 6720/420
4. Add the two like fractions:
   50/420 + 6720/420 = 50 + 6720/420 = 6770/420
5. 6770/420 simplified gives 677/42
6. So, 10/84 + 80/5 = 677/42
   In mixed form: 165/42

MathStep (Works offline)

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

Related: ²⁰/₈₄+⁸⁰/₅ ¹⁰/₈₄+⁸⁰/₁₀ ³⁰/₈₄+⁸⁰/₅ ¹⁰/₈₄+⁸⁰/₁₅ ⁵⁰/₈₄+⁸⁰/₅ ¹⁰/₈₄+⁸⁰/₂₅ ⁷⁰/₈₄+⁸⁰/₅ ¹⁰/₈₄+⁸⁰/₃₅

Add Fractions Calculator