Add 84/20 and 8/63, Solve 4 4/20 + 8/63 as a fraction

Add 84/20 and 8/63

1^st number: 4 4/20, 2^nd number: 8/63

84/20 + 8/63 is 1363/315.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 20 × 63 = 1260,
84/20 = 84 × 63/20 × 63 = 5292/1260
Likewise, for the 2nd fraction, since 63 × 20 = 1260,
8/63 = 8 × 20/63 × 20 = 160/1260
Add the two like fractions:
5292/1260 + 160/1260 = 5292 + 160/1260 = 5452/1260
5452/1260 simplified gives 1363/315
So, 84/20 + 8/63 = 1363/315
In mixed form: 4103/315

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