Add 16/12 and 9/63, Solve 1 4/12 + 9/63 as a fraction

Add 16/12 and 9/63

1^st number: 1 4/12, 2^nd number: 9/63

16/12 + 9/63 is 31/21.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 12 × 21 = 252,
16/12 = 16 × 21/12 × 21 = 336/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
9/63 = 9 × 4/63 × 4 = 36/252
Add the two like fractions:
336/252 + 36/252 = 336 + 36/252 = 372/252
372/252 simplified gives 31/21
So, 16/12 + 9/63 = 31/21
In mixed form: 110/21

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