16/42 as a percentage is 38.10%. This is the rounded value you get when you express the fraction in a percent form. It shows that the fraction is a little under two‑fifths of a whole.
The fraction 16/42 can be simplified to 8/21, which is still a proper fraction because the numerator is smaller than the denominator. It represents a part of a whole that is less than one, making the percentage below 50 %.
Knowing the percent form is handy for everyday situations, like comparing parts of a budget or figuring out test scores. When you see 38.10%, you instantly understand the size of the portion without needing to think about the original numbers.