Add 42/10 and 8/63, Solve 4 2/10 + 8/63 as a fraction

Add 42/10 and 8/63

1^st number: 4 2/10, 2^nd number: 8/63

42/10 + 8/63 is 1363/315.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 10 × 63 = 630,
42/10 = 42 × 63/10 × 63 = 2646/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
8/63 = 8 × 10/63 × 10 = 80/630
Add the two like fractions:
2646/630 + 80/630 = 2646 + 80/630 = 2726/630
2726/630 simplified gives 1363/315
So, 42/10 + 8/63 = 1363/315
In mixed form: 4103/315

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