Add 56/15 and 7/8
1st number: 3 11/15, 2nd number: 7/8
56/15 + 7/8 is 553/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
56/15 = 56 × 8/15 × 8 = 448/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
7/8 = 7 × 15/8 × 15 = 105/120 - Add the two like fractions:
448/120 + 105/120 = 448 + 105/120 = 553/120 - So, 56/15 + 7/8 = 553/120
In mixed form: 473/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+14/8 56/30+7/8 56/15+7/16 56/15+21/8 56/45+7/8 56/15+7/24 56/15+35/8 56/75+7/8 56/15+7/40 56/15+49/8 56/15+7/56