Add 90/7 and 49/54, Solve 12 6/7 + 49/54 as a fraction

Add 90/7 and 49/54

1^st number: 12 6/7, 2^nd number: 49/54

90/7 + 49/54 is 5203/378.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 7 × 54 = 378,
90/7 = 90 × 54/7 × 54 = 4860/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
49/54 = 49 × 7/54 × 7 = 343/378
Add the two like fractions:
4860/378 + 343/378 = 4860 + 343/378 = 5203/378
So, 90/7 + 49/54 = 5203/378
In mixed form: 13289/378

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