Add 15/12 and 63/16, Solve 1 3/12 + 3 15/16 as a fraction

Add 15/12 and 63/16

1^st number: 1 3/12, 2^nd number: 3 15/16

15/12 + 63/16 is 83/16.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 16 is 48

Next, find the equivalent fraction of both fractional numbers with denominator 48
For the 1st fraction, since 12 × 4 = 48,
15/12 = 15 × 4/12 × 4 = 60/48
Likewise, for the 2nd fraction, since 16 × 3 = 48,
63/16 = 63 × 3/16 × 3 = 189/48
Add the two like fractions:
60/48 + 189/48 = 60 + 189/48 = 249/48
249/48 simplified gives 83/16
So, 15/12 + 63/16 = 83/16
In mixed form: 53/16

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