Add 15/45 and 27/56, Solve 15/45 + 27/56 as a fraction

Add 15/45 and 27/56

15/45 + 27/56 is 137/168.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 45 × 56 = 2520,
15/45 = 15 × 56/45 × 56 = 840/2520
Likewise, for the 2nd fraction, since 56 × 45 = 2520,
27/56 = 27 × 45/56 × 45 = 1215/2520
Add the two like fractions:
840/2520 + 1215/2520 = 840 + 1215/2520 = 2055/2520
2055/2520 simplified gives 137/168
So, 15/45 + 27/56 = 137/168

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