Add 90/7 and 16/63, Solve 12 6/7 + 16/63 as a fraction

Add 90/7 and 16/63

1^st number: 12 6/7, 2^nd number: 16/63

90/7 + 16/63 is 118/9.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 7 × 9 = 63,
90/7 = 90 × 9/7 × 9 = 810/63
Likewise, for the 2nd fraction, since 63 × 1 = 63,
16/63 = 16 × 1/63 × 1 = 16/63
Add the two like fractions:
810/63 + 16/63 = 810 + 16/63 = 826/63
826/63 simplified gives 118/9
So, 90/7 + 16/63 = 118/9
In mixed form: 131/9

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