The fraction 45/80 is equal to 56.25% when converted to a percentage. This means that if you had 80 items and took 45 of them, you'd have 56.25% of the total. It's a bit more than half, so you can think of it as having a little over 50% of something.
In everyday life, you might come across this fraction or percentage in various situations. For example, if you answered 45 questions correctly out of 80 on a test, you'd have scored 56.25%. Or if you ate 45 pieces of candy from a box of 80, you'd have consumed 56.25% of the box. It's a useful fraction to know, as it falls between one-half (50%) and three-fifths (60%) of a whole.