Add 15/42 and 63/27, Solve 15/42 + 2 9/27 as a fraction

Add 15/42 and 63/27

1^st number: 15/42, 2^nd number: 2 9/27

15/42 + 63/27 is 113/42.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 27 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 42 × 9 = 378,
15/42 = 15 × 9/42 × 9 = 135/378
Likewise, for the 2nd fraction, since 27 × 14 = 378,
63/27 = 63 × 14/27 × 14 = 882/378
Add the two like fractions:
135/378 + 882/378 = 135 + 882/378 = 1017/378
1017/378 simplified gives 113/42
So, 15/42 + 63/27 = 113/42
In mixed form: 229/42

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