Answers

Add 5/81 and 54/56

5/81 + 54/56 is 2327/2268.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 56 is 4536
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4536
2. For the 1st fraction, since 81 × 56 = 4536,
   5/81 = 5 × 56/81 × 56 = 280/4536
3. Likewise, for the 2nd fraction, since 56 × 81 = 4536,
   54/56 = 54 × 81/56 × 81 = 4374/4536
4. Add the two like fractions:
   280/4536 + 4374/4536 = 280 + 4374/4536 = 4654/4536
5. 4654/4536 simplified gives 2327/2268
6. So, 5/81 + 54/56 = 2327/2268
   In mixed form: 159/2268

MathStep (Works offline)

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

Related: ¹⁰/₈₁+⁵⁴/₅₆ ¹⁵/₈₁+⁵⁴/₅₆ ²⁵/₈₁+⁵⁴/₅₆ ³⁵/₈₁+⁵⁴/₅₆

Add Fractions Calculator