What is 11/18 - 1/3?

To subtract the fractions, we need to find a common denominator, which is the least common multiple of 18 and 3, which is 18.

Next, we will convert each fraction to have a denominator of 18:

11/18 becomes (11/18) * (1/1) = 11/18
1/3 becomes (1/3) * (6/6) = 6/18

Now we can subtract the fractions:

11/18 - 6/18 = (11-6)/18 = 5/18

Therefore, 11/18 - 1/3 = 5/18.