Add 7/15 and 18/56
7/15 + 18/56 is 331/420.
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,
18/56 = 18 × 15/56 × 15 = 270/840 - Add the two like fractions:
392/840 + 270/840 = 392 + 270/840 = 662/840 - 662/840 simplified gives 331/420
- So, 7/15 + 18/56 = 331/420
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