Add 10/18 and 90/7, Solve 10/18 + 12 6/7 as a fraction

Add 10/18 and 90/7

1^st number: 10/18, 2^nd number: 12 6/7

10/18 + 90/7 is 845/63.

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,
10/18 = 10 × 7/18 × 7 = 70/126
Likewise, for the 2nd fraction, since 7 × 18 = 126,
90/7 = 90 × 18/7 × 18 = 1620/126
Add the two like fractions:
70/126 + 1620/126 = 70 + 1620/126 = 1690/126
1690/126 simplified gives 845/63
So, 10/18 + 90/7 = 845/63
In mixed form: 1326/63

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