Add 8/63 and 81/30, Solve 8/63 + 2 21/30 as a fraction

Add 8/63 and 81/30

1^st number: 8/63, 2^nd number: 2 21/30

8/63 + 81/30 is 1781/630.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 63 × 10 = 630,
8/63 = 8 × 10/63 × 10 = 80/630
Likewise, for the 2nd fraction, since 30 × 21 = 630,
81/30 = 81 × 21/30 × 21 = 1701/630
Add the two like fractions:
80/630 + 1701/630 = 80 + 1701/630 = 1781/630
So, 8/63 + 81/30 = 1781/630
In mixed form: 2521/630

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