4/42 as a percentage is 9.52%. This fraction is a small part of a whole and, when expressed as a percent, shows that it is just under one‑tenth of the total.
The fraction 4/42 can be reduced to its simplest form, 2/21. Even in this simpler shape, it still represents the same portion of a whole, which is the 9.52% we see in the first paragraph.
Seeing the percentage helps to understand how the fraction compares to everyday numbers. For example, if you had 100 items, about nine of them would match the size of the portion represented by 4/42.
In practical terms, knowing that 4/42 equals 9.52% can be useful for quick estimates, such as calculating small discounts, portions in recipes, or simple probability questions.