8/40 as a percentage is 20.00%. This tells you that the fraction represents twenty parts out of every hundred, which is a tidy, easy‑to‑read number.
The fraction 8/40 can be reduced to 1/5, and 1/5 of a whole is exactly one‑fifth. When you look at a whole divided into 100 equal pieces, one‑fifth fills 20 of those pieces, giving the same 20.00% result.
Knowing the percentage makes it quick to compare this amount with other values, like discounts or grades. It’s a handy way to see that 8 out of 40 is the same as saying you have a 20 % share of the total.
