Add 56/81 and 9/7
1st number: 56/81, 2nd number: 1 2/7
56/81 + 9/7 is 1121/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
56/81 = 56 × 7/81 × 7 = 392/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
9/7 = 9 × 81/7 × 81 = 729/567 - Add the two like fractions:
392/567 + 729/567 = 392 + 729/567 = 1121/567 - So, 56/81 + 9/7 = 1121/567
In mixed form: 1554/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/81+18/7 56/81+9/14 56/81+27/7 56/81+9/21 56/81+45/7 56/81+9/35 56/81+63/7 56/81+9/49