Answers

Add 56/28 and 90/18

1^st number: 2 0/28, 2^nd number: 5 0/18

56/28 + 90/18 is 7/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 18 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 28 × 9 = 252,
   56/28 = 56 × 9/28 × 9 = 504/252
3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
   90/18 = 90 × 14/18 × 14 = 1260/252
4. Add the two like fractions:
   504/252 + 1260/252 = 504 + 1260/252 = 1764/252
5. 1764/252 simplified gives 7/1
6. So, 56/28 + 90/18 = 7/1

MathStep (Works offline)

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

Related: ⁵⁶/₂₈+⁹⁰/₃₆ ⁵⁶/₈₄+⁹⁰/₁₈ ⁵⁶/₂₈+⁹⁰/₅₄

Add Fractions Calculator