Add 9/42 and 27/56, Solve 9/42 + 27/56 as a fraction

Add 9/42 and 27/56

9/42 + 27/56 is 39/56.

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,
9/42 = 9 × 4/42 × 4 = 36/168
Likewise, for the 2nd fraction, since 56 × 3 = 168,
27/56 = 27 × 3/56 × 3 = 81/168
Add the two like fractions:
36/168 + 81/168 = 36 + 81/168 = 117/168
117/168 simplified gives 39/56
So, 9/42 + 27/56 = 39/56

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