Add 63/27 and 90/12, Solve 2 9/27 + 7 6/12 as a fraction

Add 63/27 and 90/12

1^st number: 2 9/27, 2^nd number: 7 6/12

63/27 + 90/12 is 59/6.

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,
63/27 = 63 × 4/27 × 4 = 252/108
Likewise, for the 2nd fraction, since 12 × 9 = 108,
90/12 = 90 × 9/12 × 9 = 810/108
Add the two like fractions:
252/108 + 810/108 = 252 + 810/108 = 1062/108
1062/108 simplified gives 59/6
So, 63/27 + 90/12 = 59/6
In mixed form: 95/6

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