Add 63/2 and 15/12, Solve 31 1/2 + 1 3/12 as a fraction

Add 63/2 and 15/12

1^st number: 31 1/2, 2^nd number: 1 3/12

63/2 + 15/12 is 131/4.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12

Next, find the equivalent fraction of both fractional numbers with denominator 12
For the 1st fraction, since 2 × 6 = 12,
63/2 = 63 × 6/2 × 6 = 378/12
Likewise, for the 2nd fraction, since 12 × 1 = 12,
15/12 = 15 × 1/12 × 1 = 15/12
Add the two like fractions:
378/12 + 15/12 = 378 + 15/12 = 393/12
393/12 simplified gives 131/4
So, 63/2 + 15/12 = 131/4
In mixed form: 323/4

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