Answers

Add 10/84 and 8/80

10/84 + 8/80 is 23/105.

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,
   8/80 = 8 × 21/80 × 21 = 168/1680
4. Add the two like fractions:
   200/1680 + 168/1680 = 200 + 168/1680 = 368/1680
5. 368/1680 simplified gives 23/105
6. So, 10/84 + 8/80 = 23/105

MathStep (Works offline)

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

Related: ²⁰/₈₄+⁸/₈₀ ¹⁰/₈₄+¹⁶/₈₀ ³⁰/₈₄+⁸/₈₀ ¹⁰/₈₄+²⁴/₈₀ ⁵⁰/₈₄+⁸/₈₀ ¹⁰/₈₄+⁴⁰/₈₀ ⁷⁰/₈₄+⁸/₈₀ ¹⁰/₈₄+⁵⁶/₈₀

Add Fractions Calculator