72/84 as a percentage is 85.71%. This is the rounded value you’ll see most often when the fraction is expressed in percent form.
The fraction 72/84 can be simplified by dividing both the numerator and denominator by 12, which gives 6/7. Even though the numbers get smaller, the value stays the same, so the percentage does not change.
When you see 85.71%, think of it as 85.71 parts out of 100. In everyday terms, if you had 100 points to score, you would earn about 86 points with this fraction.
Remember, writing a fraction as a percentage just changes the way the same quantity is shown, making it easier to compare with other percentages.