What is 20/68 as a percentage? It is 29.41% (rounded to two decimal places). This tells you how much of a whole 20 parts are when the whole is split into 68 equal parts.
The fraction 20/68 can be simplified by dividing both the numerator and the denominator by their greatest common divisor, which is 4. This gives the simpler form 5/17. Even in this reduced form, the proportion stays the same, so it still represents 29.41% of the whole.
Knowing the percentage helps you compare this fraction to other values easily. For example, if you have a class of 68 students and 20 of them earned an A, you can say that 29.41% of the class got an A. This makes the information quick to understand at a glance.