Add 72/12 and 3/18, Solve 6 0/12 + 3/18 as a fraction

Add 72/12 and 3/18

1^st number: 6 0/12, 2^nd number: 3/18

72/12 + 3/18 is 37/6.

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

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 12 × 3 = 36,
72/12 = 72 × 3/12 × 3 = 216/36
Likewise, for the 2nd fraction, since 18 × 2 = 36,
3/18 = 3 × 2/18 × 2 = 6/36
Add the two like fractions:
216/36 + 6/36 = 216 + 6/36 = 222/36
222/36 simplified gives 37/6
So, 72/12 + 3/18 = 37/6
In mixed form: 61/6

MathStep (Works offline)

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