The fraction 12/22 is equal to 54.55% when converted to a percentage. This means that if you had 22 items and took 12 of them, you'd have about 54.55% of the total. It's a bit more than half, but not quite as much as 55%.
In everyday life, you might see this fraction or percentage used in various situations. For example, if 12 out of 22 students in a class passed a test, you could say that 54.55% of the class passed. Or if a sports team won 12 games out of a 22-game season, their winning percentage would be 54.55%. This percentage is useful for comparing different fractions or understanding parts of a whole.