Add 18/4 and 6/27, Solve 4 2/4 + 6/27 as a fraction

Add 18/4 and 6/27

1^st number: 4 2/4, 2^nd number: 6/27

18/4 + 6/27 is 85/18.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 4 × 27 = 108,
18/4 = 18 × 27/4 × 27 = 486/108
Likewise, for the 2nd fraction, since 27 × 4 = 108,
6/27 = 6 × 4/27 × 4 = 24/108
Add the two like fractions:
486/108 + 24/108 = 486 + 24/108 = 510/108
510/108 simplified gives 85/18
So, 18/4 + 6/27 = 85/18
In mixed form: 413/18

MathStep (Works offline)

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