Add 84/12 and 8/63, Solve 7 0/12 + 8/63 as a fraction

Add 84/12 and 8/63

1^st number: 7 0/12, 2^nd number: 8/63

84/12 + 8/63 is 449/63.

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,
84/12 = 84 × 21/12 × 21 = 1764/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
8/63 = 8 × 4/63 × 4 = 32/252
Add the two like fractions:
1764/252 + 32/252 = 1764 + 32/252 = 1796/252
1796/252 simplified gives 449/63
So, 84/12 + 8/63 = 449/63
In mixed form: 78/63

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