Answers

Add 70/84 and 28/75

70/84 + 28/75 is 181/150.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 75 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 84 × 25 = 2100,
   70/84 = 70 × 25/84 × 25 = 1750/2100
3. Likewise, for the 2nd fraction, since 75 × 28 = 2100,
   28/75 = 28 × 28/75 × 28 = 784/2100
4. Add the two like fractions:
   1750/2100 + 784/2100 = 1750 + 784/2100 = 2534/2100
5. 2534/2100 simplified gives 181/150
6. So, 70/84 + 28/75 = 181/150
   In mixed form: 131/150

MathStep (Works offline)

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

Related: ⁷⁰/₈₄+⁵⁶/₇₅ ⁷⁰/₈₄+⁸⁴/₇₅

Add Fractions Calculator