20/67 as a percentage is 29.85%. This decimal comes from turning the fraction into a number you can read easily, and it’s already rounded to two decimal places.
The fraction 20/67 is a little more than one‑quarter, so the percentage looks close to 30 %. When you see 29.85%, you know the exact share of a whole that the fraction represents.
In everyday use, you might use this percentage when comparing parts of a group, like saying “about 30 % of the students passed.” It’s a quick way to understand how big the piece is compared to the whole.