Add 42/27 and 9/12, Solve 1 15/27 + 9/12 as a fraction

Add 42/27 and 9/12

1^st number: 1 15/27, 2^nd number: 9/12

42/27 + 9/12 is 83/36.

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,
42/27 = 42 × 4/27 × 4 = 168/108
Likewise, for the 2nd fraction, since 12 × 9 = 108,
9/12 = 9 × 9/12 × 9 = 81/108
Add the two like fractions:
168/108 + 81/108 = 168 + 81/108 = 249/108
249/108 simplified gives 83/36
So, 42/27 + 9/12 = 83/36
In mixed form: 211/36

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