Answers

Add 90/50 and 35/28

1^st number: 1 40/50, 2^nd number: 1 7/28

90/50 + 35/28 is 61/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 28 is 700
   
   Next, find the equivalent fraction of both fractional numbers with denominator 700
2. For the 1st fraction, since 50 × 14 = 700,
   90/50 = 90 × 14/50 × 14 = 1260/700
3. Likewise, for the 2nd fraction, since 28 × 25 = 700,
   35/28 = 35 × 25/28 × 25 = 875/700
4. Add the two like fractions:
   1260/700 + 875/700 = 1260 + 875/700 = 2135/700
5. 2135/700 simplified gives 61/20
6. So, 90/50 + 35/28 = 61/20
   In mixed form: 31/20

MathStep (Works offline)

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

Related: ⁹⁰/₅₀+⁷⁰/₂₈ ⁹⁰/₅₀+³⁵/₅₆ ⁹⁰/₅₀+³⁵/₈₄

Add Fractions Calculator