Add 63/18 and 5/12, Solve 3 9/18 + 5/12 as a fraction

Add 63/18 and 5/12

1^st number: 3 9/18, 2^nd number: 5/12

63/18 + 5/12 is 47/12.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 18 × 2 = 36,
63/18 = 63 × 2/18 × 2 = 126/36
Likewise, for the 2nd fraction, since 12 × 3 = 36,
5/12 = 5 × 3/12 × 3 = 15/36
Add the two like fractions:
126/36 + 15/36 = 126 + 15/36 = 141/36
141/36 simplified gives 47/12
So, 63/18 + 5/12 = 47/12
In mixed form: 311/12

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