16/42 as a percentage is 38.10%. This rounded figure gives a quick sense of how large the fraction is compared to a whole.
If you simplify the fraction, 16/42 reduces to 8/21. Both forms represent the same part of a whole, and the percentage tells you that the fraction is just under two‑fifths of 100.
In everyday situations, knowing that 16/42 is about 38.10% can help you compare sizes, track progress, or estimate portions without needing exact calculations. It's a handy reference point for quick mental math.