Add 84/27 and 15/12, Solve 3 3/27 + 1 3/12 as a fraction

Add 84/27 and 15/12

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

84/27 + 15/12 is 157/36.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 27 × 4 = 108,
84/27 = 84 × 4/27 × 4 = 336/108
Likewise, for the 2nd fraction, since 12 × 9 = 108,
15/12 = 15 × 9/12 × 9 = 135/108
Add the two like fractions:
336/108 + 135/108 = 336 + 135/108 = 471/108
471/108 simplified gives 157/36
So, 84/27 + 15/12 = 157/36
In mixed form: 413/36

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