Add 42/20 and 8/63, Solve 2 2/20 + 8/63 as a fraction

Add 42/20 and 8/63

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

42/20 + 8/63 is 1403/630.

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,
42/20 = 42 × 63/20 × 63 = 2646/1260
Likewise, for the 2nd fraction, since 63 × 20 = 1260,
8/63 = 8 × 20/63 × 20 = 160/1260
Add the two like fractions:
2646/1260 + 160/1260 = 2646 + 160/1260 = 2806/1260
2806/1260 simplified gives 1403/630
So, 42/20 + 8/63 = 1403/630
In mixed form: 2143/630

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