8/10 as a percentage is 80.00%. This value tells you that the fraction represents eight parts out of ten, which is the same as eight‑tenths of a whole.
The fraction 8/10 can be reduced to 4/5, but it still keeps the same size. Whether you write it as 8/10, 4/5, or 80.00%, the amount doesn’t change—it’s still the same portion of a whole.
Percentages like 80.00% are useful in everyday situations. You might see it on a test score, a sale discount, or a sports statistic, giving a quick sense of how large a part of the total something is.