The fraction 9/42 is equal to 21.43% when expressed as a percentage. This value tells you how much of a whole 9 parts out of 42 represent.
If you simplify 9/42, you get the reduced fraction 3/14. Both forms show the same proportion, just written differently. Seeing it as a percent makes it easy to compare with other percentages you might encounter.
In everyday situations, a 21.43% share could represent a small portion of a budget, a part of a class that completed a task, or the likelihood of a specific outcome. Knowing the percent helps you quickly gauge the size of the fraction in a familiar way.