20/30 as a percentage is 66.67%. This is the rounded value you’ll see most often when the fraction is expressed in percent form.
The fraction 20/30 can be simplified by dividing both the numerator and the denominator by their greatest common divisor, which is 10. This gives the simpler fraction 2/3. Even though 2/3 looks different, it represents the same portion of a whole as 20/30.
In everyday situations, you might see 66.67% used to describe things like a test score, a discount, or a portion of a project that’s completed. It’s a quick way to understand the size of the part compared to the whole without working with fractions.
