11/18 - 1/3

To find the difference between these two dates, you can subtract the earlier date from the later date:

1/3 - 11/18 = 1/3 - 11/18

To subtract these fractions, you need to find a common denominator:

1/3 = 6/18
11/18 = 11/18

Now you can subtract the fractions:

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

Therefore, the difference between 11/18 and 1/3 is -5/18.