Add 18/36 and 27/3
1st number: 18/36, 2nd number: 9 0/3
18/36 + 27/3 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 3 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
18/36 = 18 × 1/36 × 1 = 18/36 - Likewise, for the 2nd fraction, since 3 × 12 = 36,
27/3 = 27 × 12/3 × 12 = 324/36 - Add the two like fractions:
18/36 + 324/36 = 18 + 324/36 = 342/36 - 342/36 simplified gives 19/2
- So, 18/36 + 27/3 = 19/2
In mixed form: 91/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36+54/3 18/72+27/3 18/36+27/6 54/36+27/3 18/36+81/3 18/36+27/9 90/36+27/3 18/36+27/15 18/36+27/21