Add 63/21 and 6/63, Solve 3 0/21 + 6/63 as a fraction

Add 63/21 and 6/63

1^st number: 3 0/21, 2^nd number: 6/63

63/21 + 6/63 is 65/21.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 21 × 3 = 63,
63/21 = 63 × 3/21 × 3 = 189/63
Likewise, for the 2nd fraction, since 63 × 1 = 63,
6/63 = 6 × 1/63 × 1 = 6/63
Add the two like fractions:
189/63 + 6/63 = 189 + 6/63 = 195/63
195/63 simplified gives 65/21
So, 63/21 + 6/63 = 65/21
In mixed form: 32/21

MathStep (Works offline)

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