Add 15/42 and 5/56
15/42 + 5/56 is 25/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
15/42 = 15 × 4/42 × 4 = 60/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
5/56 = 5 × 3/56 × 3 = 15/168 - Add the two like fractions:
60/168 + 15/168 = 60 + 15/168 = 75/168 - 75/168 simplified gives 25/56
- So, 15/42 + 5/56 = 25/56
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