Answers

Add 90/50 and 15/28

1^st number: 1 40/50, 2^nd number: 15/28

90/50 + 15/28 is 327/140.

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,
   15/28 = 15 × 25/28 × 25 = 375/700
4. Add the two like fractions:
   1260/700 + 375/700 = 1260 + 375/700 = 1635/700
5. 1635/700 simplified gives 327/140
6. So, 90/50 + 15/28 = 327/140
   In mixed form: 247/140

MathStep (Works offline)

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

Related: ⁹⁰/₅₀+³⁰/₂₈ ⁹⁰/₅₀+¹⁵/₅₆ ⁹⁰/₅₀+⁴⁵/₂₈ ⁹⁰/₅₀+¹⁵/₈₄ ⁹⁰/₅₀+⁷⁵/₂₈

Add Fractions Calculator