54/108 = 50%
A fraction like 54/108 shows up in everyday life when something is halfway complete, such as finishing 54 out of 108 tasks or filling half of a container. In percentage form, that is 50%, which can also describe a 50% discount, a half-full battery, or half the students choosing an option.
To picture it quickly, imagine dividing a whole into two equal parts and shading one of them. Since 54 is exactly half of 108, you can recognize the value as one-half without doing detailed work.
A common mistake is thinking that 54/108 is a little less than half because both numbers seem large. The size of the numbers does not matter as much as their relationship, and here the top number represents exactly half of the bottom number.