Add 72/6 and 27/18
1st number: 12 0/6, 2nd number: 1 9/18
72/6 + 27/18 is 27/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
72/6 = 72 × 3/6 × 3 = 216/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
27/18 = 27 × 1/18 × 1 = 27/18 - Add the two like fractions:
216/18 + 27/18 = 216 + 27/18 = 243/18 - 243/18 simplified gives 27/2
- So, 72/6 + 27/18 = 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+54/18 72/12+27/18 72/6+27/36 72/6+81/18 72/18+27/18 72/6+27/54 72/30+27/18 72/6+27/90 72/42+27/18