subtract

/səbˈtrækt/
verb
  1. To take away a number or amount from another number or amount.
    • If you subtract 5 from 10, you get 5.
    • The teacher showed the class how to subtract large numbers.
    • Please subtract the cost of the coupon from the total.
  2. To remove or take away something from a whole.
    • The new policy subtracts some benefits from the original plan.
    • His rude comment subtracted from the joy of the celebration.
    • You should subtract the damaged items from the inventory list.
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