Add 12/2 and 63/42, Solve 6 0/2 + 1 21/42 as a fraction

Add 12/2 and 63/42

1^st number: 6 0/2, 2^nd number: 1 21/42

12/2 + 63/42 is 15/2.

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

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
12/2 = 12 × 21/2 × 21 = 252/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
63/42 = 63 × 1/42 × 1 = 63/42
Add the two like fractions:
252/42 + 63/42 = 252 + 63/42 = 315/42
315/42 simplified gives 15/2
So, 12/2 + 63/42 = 15/2
In mixed form: 71/2

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