Add 8/18 and 90/7, Solve 8/18 + 12 6/7 as a fraction

Add 8/18 and 90/7

1^st number: 8/18, 2^nd number: 12 6/7

8/18 + 90/7 is 838/63.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
8/18 = 8 × 7/18 × 7 = 56/126
Likewise, for the 2nd fraction, since 7 × 18 = 126,
90/7 = 90 × 18/7 × 18 = 1620/126
Add the two like fractions:
56/126 + 1620/126 = 56 + 1620/126 = 1676/126
1676/126 simplified gives 838/63
So, 8/18 + 90/7 = 838/63
In mixed form: 1319/63

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