7/40 as a percentage is 17.50%. This is the rounded value you get when you express the fraction in percent form.
The fraction 7/40 is a little less than one fifth (which is 20%). It is a simple ratio that can be found in everyday situations, like measuring ingredients or dividing a small group into parts.
Knowing that 7/40 equals 17.50% helps you compare it quickly with other percentages. It’s useful for budgeting, grading, or any time you need to see how a part relates to a whole in a clear, familiar way.