Add 56/16 and 15/63, Solve 3 8/16 + 15/63 as a fraction

Add 56/16 and 15/63

1^st number: 3 8/16, 2^nd number: 15/63

56/16 + 15/63 is 157/42.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 63 is 1008

Next, find the equivalent fraction of both fractional numbers with denominator 1008
For the 1st fraction, since 16 × 63 = 1008,
56/16 = 56 × 63/16 × 63 = 3528/1008
Likewise, for the 2nd fraction, since 63 × 16 = 1008,
15/63 = 15 × 16/63 × 16 = 240/1008
Add the two like fractions:
3528/1008 + 240/1008 = 3528 + 240/1008 = 3768/1008
3768/1008 simplified gives 157/42
So, 56/16 + 15/63 = 157/42
In mixed form: 331/42

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