25/40 as a percentage is 62.50%. This number tells you how much of a whole the fraction represents when you think in terms of hundredths.
The fraction 25/40 can be simplified to 5/8, which is an easy way to see its size without using a calculator. Both numbers are divisible by 5, so the fraction reduces cleanly, making it handy for quick mental math.
In everyday life, percentages like 62.50% are useful for things like discounts, test scores, or statistics. Seeing the percentage lets you compare the fraction to any other part‑of‑a‑hundred situation at a glance.