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

Add 3/18 and 63/12

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

3/18 + 63/12 is 65/12.

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,
3/18 = 3 × 2/18 × 2 = 6/36
Likewise, for the 2nd fraction, since 12 × 3 = 36,
63/12 = 63 × 3/12 × 3 = 189/36
Add the two like fractions:
6/36 + 189/36 = 6 + 189/36 = 195/36
195/36 simplified gives 65/12
So, 3/18 + 63/12 = 65/12
In mixed form: 55/12

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