Add 30/12 and 21/56, Solve 2 6/12 + 21/56 as a fraction

Add 30/12 and 21/56

1^st number: 2 6/12, 2^nd number: 21/56

30/12 + 21/56 is 23/8.

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

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 12 × 14 = 168,
30/12 = 30 × 14/12 × 14 = 420/168
Likewise, for the 2nd fraction, since 56 × 3 = 168,
21/56 = 21 × 3/56 × 3 = 63/168
Add the two like fractions:
420/168 + 63/168 = 420 + 63/168 = 483/168
483/168 simplified gives 23/8
So, 30/12 + 21/56 = 23/8
In mixed form: 27/8

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