28/34 as a percentage is 82.35%. This is the rounded value you get when you compare the fraction to a whole.
The fraction 28/34 can be reduced by dividing both numbers by their greatest common divisor, 2, giving 14/17. Even in its simplified form, it still represents the same part of a whole—just a bit easier to work with in calculations.
Knowing that 28/34 is about 82.35% helps when you need to compare it to other percentages, like test scores or discount rates. It tells you that the fraction is a little over four‑fifths of the total.