Answers

Add 10/84 and 5/80

10/84 + 5/80 is 61/336.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 80 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 84 × 20 = 1680,
   10/84 = 10 × 20/84 × 20 = 200/1680
3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
   5/80 = 5 × 21/80 × 21 = 105/1680
4. Add the two like fractions:
   200/1680 + 105/1680 = 200 + 105/1680 = 305/1680
5. 305/1680 simplified gives 61/336
6. So, 10/84 + 5/80 = 61/336

MathStep (Works offline)

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

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

Add Fractions Calculator