simplify

Of a fraction, to reduce to lowest terms by dividing both numerator and denominator by any number that is a factor of both, until there are no common factors between the numerator and denominator. Also, in algebra, to condense an algebraic expression by grouping similar terms and reducing constants to their lowest terms. For example, the expression a + 2b + b + 2a − 2(a + b) can be simplified to a + b.