add up to

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add up to

To equal or amount to something. The cash in the drawer doesn't add up to the amount of sales we made today. These new details do not add up to the story the witnesses told us.
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add up to

Amount to, signify, as in The smooth airline connections, luxury hotel, and fine weather added up to the best vacation we'd ever had . [Early 1900s] Also see add up.
See also: add, up

add up to

To constitute; amount to: The revisions added up to a lot of work.
See also: add, up