Add 5/10 and 72/63, Solve 5/10 + 1 9/63 as a fraction

Add 5/10 and 72/63

1^st number: 5/10, 2^nd number: 1 9/63

5/10 + 72/63 is 23/14.

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,
5/10 = 5 × 63/10 × 63 = 315/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
72/63 = 72 × 10/63 × 10 = 720/630
Add the two like fractions:
315/630 + 720/630 = 315 + 720/630 = 1035/630
1035/630 simplified gives 23/14
So, 5/10 + 72/63 = 23/14
In mixed form: 19/14

MathStep (Works offline)

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