16/52 as a percentage is 30.77%.
The fraction 16/52 can be reduced to 4/13, which still gives the same percentage when you calculate it.
Knowing that 16 out of 52 parts equals about 31 percent can help you quickly estimate similar ratios, like a score of 16 correct answers out of 52 questions.
When you need to compare numbers or see how big a part is of a whole, turning the fraction into a percentage like 30.77% makes it easier to understand at a glance.