Answers

Add 56/81 and 9/28

56/81 + 9/28 is 2297/2268.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 28 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 81 × 28 = 2268,
   56/81 = 56 × 28/81 × 28 = 1568/2268
3. Likewise, for the 2nd fraction, since 28 × 81 = 2268,
   9/28 = 9 × 81/28 × 81 = 729/2268
4. Add the two like fractions:
   1568/2268 + 729/2268 = 1568 + 729/2268 = 2297/2268
5. So, 56/81 + 9/28 = 2297/2268
   In mixed form: 129/2268

MathStep (Works offline)

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

Related: ⁵⁶/₈₁+¹⁸/₂₈ ⁵⁶/₈₁+⁹/₅₆ ⁵⁶/₈₁+²⁷/₂₈ ⁵⁶/₈₁+⁹/₈₄ ⁵⁶/₈₁+⁴⁵/₂₈ ⁵⁶/₈₁+⁶³/₂₈

Add Fractions Calculator