Add 4/3 and 18/81
1st number: 1 1/3, 2nd number: 18/81
4/3 + 18/81 is 14/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 3 × 27 = 81,
4/3 = 4 × 27/3 × 27 = 108/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
18/81 = 18 × 1/81 × 1 = 18/81 - Add the two like fractions:
108/81 + 18/81 = 108 + 18/81 = 126/81 - 126/81 simplified gives 14/9
- So, 4/3 + 18/81 = 14/9
In mixed form: 15/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/3+18/81 4/3+36/81 4/6+18/81 12/3+18/81 4/3+54/81 4/9+18/81 20/3+18/81 4/3+90/81 4/15+18/81 28/3+18/81 4/21+18/81