Add 7/15 and 15/56
7/15 + 15/56 is 617/840.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
7/15 = 7 × 56/15 × 56 = 392/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
15/56 = 15 × 15/56 × 15 = 225/840 - Add the two like fractions:
392/840 + 225/840 = 392 + 225/840 = 617/840 - So, 7/15 + 15/56 = 617/840
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