Add 27/54 and 42/27, Solve 27/54 + 1 15/27 as a fraction

Add 27/54 and 42/27

1^st number: 27/54, 2^nd number: 1 15/27

27/54 + 42/27 is 37/18.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 27 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 54 × 1 = 54,
27/54 = 27 × 1/54 × 1 = 27/54
Likewise, for the 2nd fraction, since 27 × 2 = 54,
42/27 = 42 × 2/27 × 2 = 84/54
Add the two like fractions:
27/54 + 84/54 = 27 + 84/54 = 111/54
111/54 simplified gives 37/18
So, 27/54 + 42/27 = 37/18
In mixed form: 21/18

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