Add 56/12 and 18/63, Solve 4 8/12 + 18/63 as a fraction

Add 56/12 and 18/63

1^st number: 4 8/12, 2^nd number: 18/63

56/12 + 18/63 is 104/21.

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,
56/12 = 56 × 21/12 × 21 = 1176/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
18/63 = 18 × 4/63 × 4 = 72/252
Add the two like fractions:
1176/252 + 72/252 = 1176 + 72/252 = 1248/252
1248/252 simplified gives 104/21
So, 56/12 + 18/63 = 104/21
In mixed form: 420/21

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