45/75 = 60%
A value like 45/75, or 60%, can show up when 45 out of 75 students prefer a certain lunch option. It could also describe a quiz score, the amount of a task completed, or the share of seats filled at an event.
You can picture 45/75 as a little more than half of a group, since half of 75 would be around 37 or 38. A quick estimate is that it covers about three-fifths of the whole, leaving about two-fifths still missing.
One common mistake is thinking 60% means 60 out of every 75, when percentages are usually based on groups of 100. It is also easy to confuse 45/75 with 45%, even though the denominator shows that the fraction is comparing 45 with 75.