57 divided by 85 is approximately 67.06% when rounded to two decimal places.
The fraction 57/85 can be simplified only by dividing both numbers by a common factor of 1, so it stays as it is. It represents a little more than two‑thirds of a whole, which is useful when estimating portions or probabilities.
In everyday situations, saying “about 67 %” is easier to understand than the fraction itself. This makes it handy for quick comparisons, like figuring out how much of a class scored above a certain mark.
Remember that the 67.06% figure is a rounded value; the exact decimal repeats, but for most practical purposes the rounded percentage is perfectly fine.