Add 63/42 and 30/3, Solve 1 21/42 + 10 0/3 as a fraction

Add 63/42 and 30/3

1^st number: 1 21/42, 2^nd number: 10 0/3

63/42 + 30/3 is 23/2.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 3 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 42 × 1 = 42,
63/42 = 63 × 1/42 × 1 = 63/42
Likewise, for the 2nd fraction, since 3 × 14 = 42,
30/3 = 30 × 14/3 × 14 = 420/42
Add the two like fractions:
63/42 + 420/42 = 63 + 420/42 = 483/42
483/42 simplified gives 23/2
So, 63/42 + 30/3 = 23/2
In mixed form: 111/2

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