21/31 = ≈67.74%
Rounded to 2 decimal places.
A value like 21/31, or about 67.74%, could describe how often a student answers questions correctly, how much of a project is finished, or the share of people in a survey who choose one option. It represents a little more than two-thirds of the total.
To picture it quickly, imagine 31 equal squares with 21 shaded, leaving 10 unshaded. Since two-thirds is about 66.7%, 21/31 is just slightly higher than two-thirds.
A common mistake is to treat 21/31 as exactly two-thirds because the values are close. It is also easy to confuse the numerator and denominator, but switching them to 31/21 would create a value greater than one, or more than 100%.
