Add 15/56 and 30/42
15/56 + 30/42 is 55/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
15/56 = 15 × 3/56 × 3 = 45/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
30/42 = 30 × 4/42 × 4 = 120/168 - Add the two like fractions:
45/168 + 120/168 = 45 + 120/168 = 165/168 - 165/168 simplified gives 55/56
- So, 15/56 + 30/42 = 55/56
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