Add 30/2 and 56/21, Solve 15 0/2 + 2 14/21 as a fraction

Add 30/2 and 56/21

1^st number: 15 0/2, 2^nd number: 2 14/21

30/2 + 56/21 is 53/3.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
30/2 = 30 × 21/2 × 21 = 630/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
56/21 = 56 × 2/21 × 2 = 112/42
Add the two like fractions:
630/42 + 112/42 = 630 + 112/42 = 742/42
742/42 simplified gives 53/3
So, 30/2 + 56/21 = 53/3
In mixed form: 172/3

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