Add 7/8 and 2/15
7/8 + 2/15 is 121/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
7/8 = 7 × 15/8 × 15 = 105/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
2/15 = 2 × 8/15 × 8 = 16/120 - Add the two like fractions:
105/120 + 16/120 = 105 + 16/120 = 121/120 - So, 7/8 + 2/15 = 121/120
In mixed form: 11/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8+2/15 7/8+4/15 7/16+2/15 7/8+2/30 21/8+2/15 7/8+6/15 7/24+2/15 7/8+2/45 35/8+2/15 7/8+10/15 7/40+2/15 7/8+2/75 49/8+2/15 7/8+14/15 7/56+2/15