Add 42/54 and 27/12, Solve 42/54 + 2 3/12 as a fraction

Add 42/54 and 27/12

1^st number: 42/54, 2^nd number: 2 3/12

42/54 + 27/12 is 109/36.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 12 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 54 × 2 = 108,
42/54 = 42 × 2/54 × 2 = 84/108
Likewise, for the 2nd fraction, since 12 × 9 = 108,
27/12 = 27 × 9/12 × 9 = 243/108
Add the two like fractions:
84/108 + 243/108 = 84 + 243/108 = 327/108
327/108 simplified gives 109/36
So, 42/54 + 27/12 = 109/36
In mixed form: 31/36

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