Add 18/2 and 27/9
1st number: 9 0/2, 2nd number: 3 0/9
18/2 + 27/9 is 12/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
18/2 = 18 × 9/2 × 9 = 162/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
27/9 = 27 × 2/9 × 2 = 54/18 - Add the two like fractions:
162/18 + 54/18 = 162 + 54/18 = 216/18 - 216/18 simplified gives 12/1
- So, 18/2 + 27/9 = 12/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2+27/9 18/2+54/9 18/4+27/9 18/2+27/18 54/2+27/9 18/2+81/9 18/6+27/9 90/2+27/9 18/10+27/9 18/2+27/45 18/14+27/9 18/2+27/63