Add 49/12 and 21/63, Solve 4 1/12 + 21/63 as a fraction

Add 49/12 and 21/63

1^st number: 4 1/12, 2^nd number: 21/63

49/12 + 21/63 is 53/12.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 12 × 21 = 252,
49/12 = 49 × 21/12 × 21 = 1029/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
21/63 = 21 × 4/63 × 4 = 84/252
Add the two like fractions:
1029/252 + 84/252 = 1029 + 84/252 = 1113/252
1113/252 simplified gives 53/12
So, 49/12 + 21/63 = 53/12
In mixed form: 45/12

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