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

Add 90/12 and 7/63

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

90/12 + 7/63 is 137/18.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 12 × 21 = 252,
90/12 = 90 × 21/12 × 21 = 1890/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
7/63 = 7 × 4/63 × 4 = 28/252
Add the two like fractions:
1890/252 + 28/252 = 1890 + 28/252 = 1918/252
1918/252 simplified gives 137/18
So, 90/12 + 7/63 = 137/18
In mixed form: 711/18

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