Add 27/54 and 12/7, Solve 27/54 + 1 5/7 as a fraction

Add 27/54 and 12/7

1^st number: 27/54, 2^nd number: 1 5/7

27/54 + 12/7 is 31/14.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
27/54 = 27 × 7/54 × 7 = 189/378
Likewise, for the 2nd fraction, since 7 × 54 = 378,
12/7 = 12 × 54/7 × 54 = 648/378
Add the two like fractions:
189/378 + 648/378 = 189 + 648/378 = 837/378
837/378 simplified gives 31/14
So, 27/54 + 12/7 = 31/14
In mixed form: 23/14

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