Add 20/3 and 18/27
1st number: 6 2/3, 2nd number: 18/27
20/3 + 18/27 is 22/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 3 × 9 = 27,
20/3 = 20 × 9/3 × 9 = 180/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
18/27 = 18 × 1/27 × 1 = 18/27 - Add the two like fractions:
180/27 + 18/27 = 180 + 18/27 = 198/27 - 198/27 simplified gives 22/3
- So, 20/3 + 18/27 = 22/3
In mixed form: 71/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3+18/27 20/3+36/27 20/6+18/27 20/3+18/54 60/3+18/27 20/3+54/27 20/9+18/27 20/3+18/81 20/3+90/27 20/15+18/27 20/21+18/27