Add 27/12 and 21/14, Solve 2 3/12 + 1 7/14 as a fraction

Add 27/12 and 21/14

1^st number: 2 3/12, 2^nd number: 1 7/14

27/12 + 21/14 is 15/4.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
27/12 = 27 × 7/12 × 7 = 189/84
Likewise, for the 2nd fraction, since 14 × 6 = 84,
21/14 = 21 × 6/14 × 6 = 126/84
Add the two like fractions:
189/84 + 126/84 = 189 + 126/84 = 315/84
315/84 simplified gives 15/4
So, 27/12 + 21/14 = 15/4
In mixed form: 33/4

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