remainder
noun
°A part or parts remaining after some has/have been removed.
"''My son ate part of his cake and I ate the remainder."
°The amount left over after subtracting the divisor as many times as possible from the dividend without producing a negative result. If (dividend) and d (divisor) are integers, then can always be expressed in the form n = dq + r, where q (quotient) and r (remainder) are also integers and 0 ≤ r < d.
"''17 leaves a remainder of 2 when divided by 3."
adjective
verb
°(commerce) To mark or declare items left unsold as subject to reduction in price.
synonyms: remnant, residue, rest, surplus more» , leftover