Add 7/9 and 81/56
1st number: 7/9, 2nd number: 1 25/56
7/9 + 81/56 is 1121/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 9 × 56 = 504,
7/9 = 7 × 56/9 × 56 = 392/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
81/56 = 81 × 9/56 × 9 = 729/504 - Add the two like fractions:
392/504 + 729/504 = 392 + 729/504 = 1121/504 - So, 7/9 + 81/56 = 1121/504
In mixed form: 2113/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/9+81/56 7/18+81/56 21/9+81/56 7/27+81/56 35/9+81/56 7/45+81/56 49/9+81/56 7/63+81/56