What is 39/40 as a percentage? It is 97.50%.
The fraction 39/40 is very close to 1, which means it represents a value that is just a little under a whole. In everyday terms, you can think of it as almost reaching 100%, but still leaving a tiny bit out.
Because it’s so near to a full amount, this percentage is useful for quick estimates. For example, if you score 39 out of 40 points on a test, you’ve earned 97.50% of the possible points—an excellent result. Likewise, a discount of 39/40 of the original price would leave you paying only 2.5% of the cost.