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cross-multiply
Also cross mul·ti·ply
[kraws-muhl-ti-plahy, kros-]
verb (used without object)
Mathematics.
cross-multiplied, cross-multiplying
to remove fractions from an equation by multiplying each side by the common multiple of the denominators of the fractions of both sides.
cross-multiply
To multiply the numerator of one of a pair of fractions by the denominator of the other.
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Other Word Forms
- cross-multiplication noun
- cross multiplication noun
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Word History and Origins
Origin of cross-multiply1
First recorded in 1950–55
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Example Sentences
Examples have not been reviewed.
Why do I love to cross-multiply?
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