Add 27/63 and 15/18
27/63 + 15/18 is 53/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
27/63 = 27 × 2/63 × 2 = 54/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
15/18 = 15 × 7/18 × 7 = 105/126 - Add the two like fractions:
54/126 + 105/126 = 54 + 105/126 = 159/126 - 159/126 simplified gives 53/42
- So, 27/63 + 15/18 = 53/42
In mixed form: 111/42
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