Add 8/63 and 81/10, Solve 8/63 + 8 1/10 as a fraction

Add 8/63 and 81/10

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

8/63 + 81/10 is 5183/630.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 10 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 10 × 63 = 630,
81/10 = 81 × 63/10 × 63 = 5103/630
Add the two like fractions:
80/630 + 5103/630 = 80 + 5103/630 = 5183/630
So, 8/63 + 81/10 = 5183/630
In mixed form: 8143/630

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad