Meaning of FROM in English

FROM

(REMOVE) [preposition] - used to show that someone has left a place, or that something has been removed or taken awayPeople who were exiled from their homes during the war are now able to return.She's very upset because her handbag was snatched from her in the street this morning.A refining process is used to extract usable fuel from crude oil.If you take a smaller amount from a larger amount, you reduce the larger amount by the smaller one.Three from sixteen is thirteen.Thirty subtracted from fifty equals twenty.

Cambridge English vocab.      Кембриджский английский словарь.