intransitive verb
Etymology: back-formation from cross multiplication
: to find the two products obtained by multiplying the numerator of each of two fractions by the denominator of the other
intransitive verb
Etymology: back-formation from cross multiplication
: to find the two products obtained by multiplying the numerator of each of two fractions by the denominator of the other
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012