38.10% is the percentage equivalent of the fraction 16/42.
The fraction 16/42 can be simplified to 8/21, but the value stays the same, so the percentage doesn’t change.
Knowing that 16/42 equals about 38.10% helps when you need to compare parts of a whole, like a test score or a portion of a budget.
In everyday situations, rounding to two decimal places gives a clear and easy‑to‑read figure without losing much accuracy.