subtrahend

/ˈsʌbtrəˌhɛnd/
noun
  1. In mathematics, the number that is to be subtracted from another number (the minuend).
    • To check your subtraction, add the subtrahend to the difference.
    • In the equation 10 − 3 = 7, the subtrahend is 3.
    • The teacher explained that the subtrahend is always the smaller number in simple subtraction.
Antonyms