34/80 = 42.5%
A value like 34/80, or 42.5%, could describe how many questions someone got right on an 80-question test. It might also show how much of a group chose a certain option in a survey.
To picture it quickly, think of a little less than half. It’s close to 40% but still a bit nearer to 50%.
One common mix-up is treating 42.5% as exactly half. Half is 50%, so 42.5% is noticeably lower, even if the two values may look close at a glance.