Add 63/12 and 75/18, Solve 5 3/12 + 4 3/18 as a fraction

Add 63/12 and 75/18

1^st number: 5 3/12, 2^nd number: 4 3/18

63/12 + 75/18 is 113/12.

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

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 12 × 3 = 36,
63/12 = 63 × 3/12 × 3 = 189/36
Likewise, for the 2nd fraction, since 18 × 2 = 36,
75/18 = 75 × 2/18 × 2 = 150/36
Add the two like fractions:
189/36 + 150/36 = 189 + 150/36 = 339/36
339/36 simplified gives 113/12
So, 63/12 + 75/18 = 113/12
In mixed form: 95/12

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