12/19 as a percentage is 63.16%. This rounded figure gives a quick sense of how large the fraction is compared to a whole.
The fraction 12/19 is a bit more than half, but not close to three‑quarters. It can be useful when comparing parts of a group, like 12 out of 19 students who passed a test.
Knowing that 12/19 equals 63.16% helps you communicate the result in everyday terms, such as saying “about 63 percent” instead of using the fraction every time. This makes it easier to understand for most people.