Add 5/30 and 63/12, Solve 5/30 + 5 3/12 as a fraction

Add 5/30 and 63/12

1^st number: 5/30, 2^nd number: 5 3/12

5/30 + 63/12 is 65/12.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 30 × 2 = 60,
5/30 = 5 × 2/30 × 2 = 10/60
Likewise, for the 2nd fraction, since 12 × 5 = 60,
63/12 = 63 × 5/12 × 5 = 315/60
Add the two like fractions:
10/60 + 315/60 = 10 + 315/60 = 325/60
325/60 simplified gives 65/12
So, 5/30 + 63/12 = 65/12
In mixed form: 55/12

MathStep (Works offline)

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