Add 18/3 and 27/12
1st number: 6 0/3, 2nd number: 2 3/12
183 + 2712 is 334.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
183 = 18 × 43 × 4 = 7212 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
2712 = 27 × 112 × 1 = 2712 - Add the two like fractions:
7212 + 2712 = 72 + 2712 = 9912 - 99/12 simplified gives 334
- So, 18/3 + 27/12 = 33/4
In mixed form: 814
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3+27/12 18/3+54/12 18/6+27/12 18/3+27/24 54/3+27/12 18/3+81/12 18/9+27/12 18/3+27/36 90/3+27/12 18/15+27/12 18/3+27/60 18/21+27/12 18/3+27/84