Answers

Add 84/16 and 90/75

1^st number: 5 4/16, 2^nd number: 1 15/75

84/16 + 90/75 is 129/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 75 is 1200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1200
2. For the 1st fraction, since 16 × 75 = 1200,
   84/16 = 84 × 75/16 × 75 = 6300/1200
3. Likewise, for the 2nd fraction, since 75 × 16 = 1200,
   90/75 = 90 × 16/75 × 16 = 1440/1200
4. Add the two like fractions:
   6300/1200 + 1440/1200 = 6300 + 1440/1200 = 7740/1200
5. 7740/1200 simplified gives 129/20
6. So, 84/16 + 90/75 = 129/20
   In mixed form: 69/20

MathStep (Works offline)

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

Related: ⁸⁴/₃₂+⁹⁰/₇₅ ⁸⁴/₄₈+⁹⁰/₇₅ ⁸⁴/₈₀+⁹⁰/₇₅

Add Fractions Calculator