22/39 as a percentage is 56.41%. This simple conversion tells you that the fraction is just over half when you look at it in everyday terms.
The fraction 22/39 cannot be reduced any further, so it stays as it is. It represents a part of a whole where 22 pieces are taken from a total of 39 equal pieces.
Seeing it as a percentage makes it easier to compare with other numbers, like grades or discounts. For example, a score of 56.41% would be a little more than half of the possible points.
In practical use, you might round it to 56% for quick estimates, but the precise value is 56.41%, which keeps the information accurate.