Add 90/12 and 30/27, Solve 7 6/12 + 1 3/27 as a fraction

Add 90/12 and 30/27

1^st number: 7 6/12, 2^nd number: 1 3/27

90/12 + 30/27 is 155/18.

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,
90/12 = 90 × 9/12 × 9 = 810/108
Likewise, for the 2nd fraction, since 27 × 4 = 108,
30/27 = 30 × 4/27 × 4 = 120/108
Add the two like fractions:
810/108 + 120/108 = 810 + 120/108 = 930/108
930/108 simplified gives 155/18
So, 90/12 + 30/27 = 155/18
In mixed form: 811/18

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