sub·tract /səbˈtrækt/ verb [transitiveT] HMto take a number or an amount from a larger number or amount 减去,减掉 → add, deduct, minussubtract something from something If you subtract 30 from 45, you get 15. 45 减 30 等于 15。
subtract something from something• If you subtract 10 from 30, you get 20.
From Longman Business Dictionary
subtractsub·tract /səbˈtrækt/ verb [transitiveT] to take a number or an amount from something largersubtract something from somethingSubtract 34% corporate tax from the total.