Add 15/56 and 40/42
15/56 + 40/42 is 205/168.
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,
40/42 = 40 × 4/42 × 4 = 160/168 - Add the two like fractions:
45/168 + 160/168 = 45 + 160/168 = 205/168 - So, 15/56 + 40/42 = 205/168
In mixed form: 137/168
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