Add 7/15 and 7/8
7/15 + 7/8 is 161/120.
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,
7/15 = 7 × 8/15 × 8 = 56/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
7/8 = 7 × 15/8 × 15 = 105/120 - Add the two like fractions:
56/120 + 105/120 = 56 + 105/120 = 161/120 - So, 7/15 + 7/8 = 161/120
In mixed form: 141/120
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