# cross multiply

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cross multiply
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

* * *

Math.
to remove fractions from an equation by multiplying each side by the common multiple of the denominators of the fractions of the opposite side.
[1950-55]

Useful english dictionary. 2012.

### Look at other dictionaries:

• cross-multiply — cross mul·ti·ply (krôsʹmŭlʹtə plī , krŏsʹ ) intr.v. cross mul·ti·plied, cross mul·ti·ply·ing, cross mul·ti·plies To multiply the numerator of one of a pair of fractions by the denominator of the other.   cross multiplication n. * * * …   Universalium

• cross multiply — cross′ mul′tiply v. i. math. to remove fractions from an equation by multiplying each side by the common multiple of the denominators of the fractions of the opposite side • Etymology: 1950–55 cross′ multiplica′tion, n …   From formal English to slang

• cross multiply — cross multiplication. Math. to remove fractions from an equation by multiplying each side by the common multiple of the denominators of the fractions of the opposite side. [1950 55] * * * …   Universalium

• cross multiply — 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 • …   New Collegiate Dictionary

• cross-multiply — verb To set the product of the extremes of a proportion equal to the product of its means. Cross multiplying yields …   Wiktionary

• Cross-multiplication — In mathematics, specifically in elementary arithmetic and elementary algebra, given an equation between two fractions or rational expressions, one can cross multiply to simplify the equation or determine the value of a variable. For an equation… …   Wikipedia

• cross multiplication — noun see cross multiply …   New Collegiate Dictionary

• Cross Game — volume 1 cover as published by Shogakukan, showing Ko (left) and Wakaba クロスゲーム …   Wikipedia

• Cross Game — クロスゲーム (Куросу Гэму) Жанр романтическая комедия, спокон …   Википедия

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