intransitive verb Date: 1951 to clear an equation of fractions when each side consists of a fraction with a single denominator by multiplying the numerator of each side by the denominator of the other side and equating the two products obtained, cross multiplication noun
CROSS MULTIPLY
Meaning of CROSS MULTIPLY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012