18/38 as a percentage is 47.37%. This value tells you how much of a whole 18 parts out of 38 represent when you look at it on a scale of 100.
The fraction 18/38 can be reduced to its simplest form, which is 9/19. Even in this reduced form, it still represents the same portion of a whole, just with smaller numbers.
When you see a percentage like 47.37%, you can quickly understand that it is just under half of the total. This makes it easy to compare with other values, such as seeing if something is more or less than 50%.
In everyday situations, you might use this percentage to describe things like a test score, a discount, or any measurement where a part of a whole is important. Knowing that 18 out of 38 is about 47.37% helps you communicate the size of that part clearly.