Add 8/7 and 63/18, Solve 1 1/7 + 3 9/18 as a fraction

Add 8/7 and 63/18

1^st number: 1 1/7, 2^nd number: 3 9/18

8/7 + 63/18 is 65/14.

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

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 7 × 18 = 126,
8/7 = 8 × 18/7 × 18 = 144/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
63/18 = 63 × 7/18 × 7 = 441/126
Add the two like fractions:
144/126 + 441/126 = 144 + 441/126 = 585/126
585/126 simplified gives 65/14
So, 8/7 + 63/18 = 65/14
In mixed form: 49/14

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