Add 72/6 and 18/12
1st number: 12 0/6, 2nd number: 1 6/12
72/6 + 18/12 is 27/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
72/6 = 72 × 2/6 × 2 = 144/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
18/12 = 18 × 1/12 × 1 = 18/12 - Add the two like fractions:
144/12 + 18/12 = 144 + 18/12 = 162/12 - 162/12 simplified gives 27/2
- So, 72/6 + 18/12 = 27/2
In mixed form: 131/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6+36/12 72/12+18/12 72/6+18/24 72/6+54/12 72/18+18/12 72/6+18/36 72/6+90/12 72/30+18/12 72/6+18/60 72/42+18/12 72/6+18/84