What is 17/40 as a percentage? It equals 42.50% when rounded to two decimal places.
The fraction 17/40 means that out of every 40 equal parts, 17 are being considered. This is a little less than half, so the percentage being just under 50 % makes sense.
You might see 17/40 in situations like a test score (17 correct answers out of 40 questions) or a recipe that uses 17 parts of an ingredient for every 40 parts of another. In each case, the result is about 42.5 % of the whole.
Because the percentage is rounded to two decimal places, the value is precise enough for most everyday uses while still being easy to read.