Add 60/18 and 5/12, Solve 3 6/18 + 5/12 as a fraction

Add 60/18 and 5/12

1^st number: 3 6/18, 2^nd number: 5/12

60/18 + 5/12 is 15/4.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 18 × 2 = 36,
60/18 = 60 × 2/18 × 2 = 120/36
Likewise, for the 2nd fraction, since 12 × 3 = 36,
5/12 = 5 × 3/12 × 3 = 15/36
Add the two like fractions:
120/36 + 15/36 = 120 + 15/36 = 135/36
135/36 simplified gives 15/4
So, 60/18 + 5/12 = 15/4
In mixed form: 33/4

MathStep (Works offline)

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