Add 4/56 and 21/12, Solve 4/56 + 1 9/12 as a fraction

Add 4/56 and 21/12

1^st number: 4/56, 2^nd number: 1 9/12

4/56 + 21/12 is 51/28.

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,
4/56 = 4 × 3/56 × 3 = 12/168
Likewise, for the 2nd fraction, since 12 × 14 = 168,
21/12 = 21 × 14/12 × 14 = 294/168
Add the two like fractions:
12/168 + 294/168 = 12 + 294/168 = 306/168
306/168 simplified gives 51/28
So, 4/56 + 21/12 = 51/28
In mixed form: 123/28

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