subtract

/səbˈtrækt/ (bre, ipa) · /səbˈtrækt/ (ame, ipa) · /səb-ˈtrakt/ (ame, mw)

subtract — verb

  • subtractpresent simple I / you / we / they
  • subtractshe / she / it
  • subtractedpast simple
  • subtracting-ing form

1. to reduce a number or amount by removing another number from it, so that you fin

1.動詞及物 / 不及物A2
釋義

to reduce a number or amount by removing another number from it, so that you find out what is left

例句

Arjun subtracted 14 from 38 and found the answer was 24.

subtract + number + from + number

If you subtract the ticket cost, we will have about fifty-five dollars left.

subtract + noun phrase (cost / expense)

同義詞
  • deduct

    more formal; used mainly for money, costs, or amounts in business contexts

  • take away

    less formal; common in everyday speech and early math teaching

  • minus

    used as a verb informally, e.g. 'Minus the tax, you get 800 dollars.'

反義詞
  • add

    the opposite operation — to put numbers together rather than remove one from another

文法句型

subtract + number + from + number

subtract (no object)

用法筆記

The order of numbers matters: subtract X from Y means Y − X. The number after 'from' is the starting amount.

常見錯誤

❌I subtracted 10 from 5 and got 5.
✅I subtracted 5 from 10 and got 5.
💡subtract X from Y always means Y − X, so the starting number goes after 'from'.
❌Please subtract the numbers together.
✅Please add the numbers together.
💡The word 'together' is used with addition, not subtraction.