Answers

Add 56/28 and 6/90

1^st number: 2 0/28, 2^nd number: 6/90

56/28 + 6/90 is 31/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 90 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 28 × 45 = 1260,
   56/28 = 56 × 45/28 × 45 = 2520/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   6/90 = 6 × 14/90 × 14 = 84/1260
4. Add the two like fractions:
   2520/1260 + 84/1260 = 2520 + 84/1260 = 2604/1260
5. 2604/1260 simplified gives 31/15
6. So, 56/28 + 6/90 = 31/15
   In mixed form: 21/15

MathStep (Works offline)

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

Related: ⁵⁶/₂₈+¹²/₉₀ ⁵⁶/₂₈+¹⁸/₉₀ ⁵⁶/₈₄+⁶/₉₀ ⁵⁶/₂₈+³⁰/₉₀ ⁵⁶/₂₈+⁴²/₉₀

Add Fractions Calculator