Answers

Add 28/75 and 90/84

1^st number: 28/75, 2^nd number: 1 6/84

28/75 + 90/84 is 1517/1050.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 84 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 75 × 28 = 2100,
   28/75 = 28 × 28/75 × 28 = 784/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   90/84 = 90 × 25/84 × 25 = 2250/2100
4. Add the two like fractions:
   784/2100 + 2250/2100 = 784 + 2250/2100 = 3034/2100
5. 3034/2100 simplified gives 1517/1050
6. So, 28/75 + 90/84 = 1517/1050
   In mixed form: 1467/1050

MathStep (Works offline)

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

Related: ⁵⁶/₇₅+⁹⁰/₈₄ ⁸⁴/₇₅+⁹⁰/₈₄

Add Fractions Calculator