18/540 = ≈3.33%
Rounded to 2 decimal places.
A fraction like 18/540 can describe a small everyday share, such as 18 defective items in a shipment of 540 or 18 students in a much larger group. That amount is about 3.33%, so it represents only a small portion of the whole.
To picture it quickly, imagine dividing 540 objects into 100 equal groups: about 18 of them would make up three of those groups plus a little more. You can also estimate it as roughly 3 out of every 100, which makes the size easier to understand.
A common mistake is to think 18/540 is closer to 18% because the numerator is 18. The denominator matters just as much, and since 540 is much larger than 18, the actual percentage is only a little over 3%.