40/46 expressed as a percentage is 86.96%. This number tells you how large the fraction is compared to a whole, or 100 %. It’s a quick way to see that the fraction is pretty close to one.
The fraction 40/46 can be reduced to 20/23, but the percentage stays the same. Seeing the value as 86.96% makes it easy to compare with other percentages, like test scores or discount rates.
In everyday situations, you might use this percentage to understand a success rate or a portion of a group. For example, if 40 out of 46 people liked a new product, you could say 86.96% of them liked it, which sounds more impressive than just the raw numbers.