28/36 as a percentage is 77.78%. This number comes from the fraction when it is expressed in a way that’s easy to compare with other values like test scores or discounts.
The fraction 28/36 can be simplified to 7/9, which still represents the same part of a whole. Whether you write it as 28/36 or 7/9, it always means the same amount, just shown with different numbers.
When you see 77.78%, you know it’s just another way to talk about that same part of a whole. It’s useful for quick comparisons, especially when dealing with percentages in everyday situations.