Add 63/4 and 28/16, Solve 15 3/4 + 1 12/16 as a fraction

Add 63/4 and 28/16

1^st number: 15 3/4, 2^nd number: 1 12/16

63/4 + 28/16 is 35/2.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16

Next, find the equivalent fraction of both fractional numbers with denominator 16
For the 1st fraction, since 4 × 4 = 16,
63/4 = 63 × 4/4 × 4 = 252/16
Likewise, for the 2nd fraction, since 16 × 1 = 16,
28/16 = 28 × 1/16 × 1 = 28/16
Add the two like fractions:
252/16 + 28/16 = 252 + 28/16 = 280/16
280/16 simplified gives 35/2
So, 63/4 + 28/16 = 35/2
In mixed form: 171/2

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