Add 63/18 and 27/7, Solve 3 9/18 + 3 6/7 as a fraction

Add 63/18 and 27/7

1^st number: 3 9/18, 2^nd number: 3 6/7

63/18 + 27/7 is 103/14.

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,
63/18 = 63 × 7/18 × 7 = 441/126
Likewise, for the 2nd fraction, since 7 × 18 = 126,
27/7 = 27 × 18/7 × 18 = 486/126
Add the two like fractions:
441/126 + 486/126 = 441 + 486/126 = 927/126
927/126 simplified gives 103/14
So, 63/18 + 27/7 = 103/14
In mixed form: 75/14

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