Add 81/54 and 27/12, Solve 1 27/54 + 2 3/12 as a fraction

Add 81/54 and 27/12

1^st number: 1 27/54, 2^nd number: 2 3/12

81/54 + 27/12 is 15/4.

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,
81/54 = 81 × 2/54 × 2 = 162/108
Likewise, for the 2nd fraction, since 12 × 9 = 108,
27/12 = 27 × 9/12 × 9 = 243/108
Add the two like fractions:
162/108 + 243/108 = 162 + 243/108 = 405/108
405/108 simplified gives 15/4
So, 81/54 + 27/12 = 15/4
In mixed form: 33/4

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