to make a total amount of sth; to lead to a particular result; to show sth
Oxford50% of films
to make a total amount of sth
How much does it add up to, Christy?
Oxford33% of films
to lead to a particular result; to show sth
Now then, Hercule, what do these facts add up to?
- What does it all add up to? - Can't you guess?
Definitions from the Oxford Advanced Learner's Dictionary, 9th edition