What is 40/63 as a percentage? It is 63.49% (rounded to two decimal places).
The fraction 40/63 shows a part of a whole where 40 pieces are taken from a total of 63. In everyday life, you might see this kind of fraction when dividing a pizza, splitting a bill, or measuring a recipe.
Turning the fraction into a percentage lets you compare it easily with other numbers. Saying something is 63.49% gives a quick sense of how large it is relative to 100, which most people understand at a glance.
Remember that the percentage is rounded, so the exact value is a little more precise than the two‑digit figure shown. This small rounding makes it simple to read while staying accurate enough for most practical uses.