Add 28/54 and 15/12, Solve 28/54 + 1 3/12 as a fraction

Add 28/54 and 15/12

1^st number: 28/54, 2^nd number: 1 3/12

28/54 + 15/12 is 191/108.

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,
28/54 = 28 × 2/54 × 2 = 56/108
Likewise, for the 2nd fraction, since 12 × 9 = 108,
15/12 = 15 × 9/12 × 9 = 135/108
Add the two like fractions:
56/108 + 135/108 = 56 + 135/108 = 191/108
So, 28/54 + 15/12 = 191/108
In mixed form: 183/108

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