30/75 = 40%
The fraction 30/75 represents 40%, which could show up in everyday life as a survey result, a test score, or the amount of a product left in stock. For example, if 30 out of 75 students prefer a certain lunch option, that group makes up 40% of the students.
To picture 30/75 quickly, imagine a group divided into five equal parts. Since 40% is two of those five parts, you can think of the fraction as a little less than half.
A common mistake is assuming 30/75 means 30% because the numerator is 30. The denominator matters too because it tells you the total amount being considered.