20/28 as a percentage is 71.43%. This figure comes from the fraction when it’s expressed in the familiar percent format, rounded to two decimal places for easy reading.
The fraction 20/28 can be reduced to 5/7, which is a simple way to see the same value without a calculator. Seeing it as 5 parts out of 7 helps understand why the percent is fairly high—more than two‑thirds of a whole.
In everyday use, you might see 71.43% on a report card, a sales chart, or a sports statistic. Knowing the percent lets you compare it quickly with other numbers that are already in percent form.