Add 12/56 and 45/12, Solve 12/56 + 3 9/12 as a fraction

Add 12/56 and 45/12

1^st number: 12/56, 2^nd number: 3 9/12

12/56 + 45/12 is 111/28.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 12 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 56 × 3 = 168,
12/56 = 12 × 3/56 × 3 = 36/168
Likewise, for the 2nd fraction, since 12 × 14 = 168,
45/12 = 45 × 14/12 × 14 = 630/168
Add the two like fractions:
36/168 + 630/168 = 36 + 630/168 = 666/168
666/168 simplified gives 111/28
So, 12/56 + 45/12 = 111/28
In mixed form: 327/28

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