Add 5/12 and 21/27, Solve 5/12 + 21/27 as a fraction

Add 5/12 and 21/27

5/12 + 21/27 is 43/36.

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

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 12 × 9 = 108,
5/12 = 5 × 9/12 × 9 = 45/108
Likewise, for the 2nd fraction, since 27 × 4 = 108,
21/27 = 21 × 4/27 × 4 = 84/108
Add the two like fractions:
45/108 + 84/108 = 45 + 84/108 = 129/108
129/108 simplified gives 43/36
So, 5/12 + 21/27 = 43/36
In mixed form: 17/36

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