cross-multiply
[ kraws-muhl-ti-plahy, kros- ]
verb (used without object),cross-mul·ti·plied, cross-mul·ti·ply·ing.Mathematics.
to remove fractions from an equation by multiplying each side by the common multiple of the denominators of the fractions of both sides.
Origin of cross-multiply
1First recorded in 1950–55
- Also cross mul·ti·ply .
Other words from cross-multiply
- cross-mul·ti·pli·ca·tion, cross mul·ti·pli·ca·tion [kraws-muhl-ti-pli-key-shuhn, kros-], /ˈkrɔsˌmʌl tɪ plɪˈkeɪ ʃən, ˈkrɒs-/, noun
Words Nearby cross-multiply
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
Scientific definitions for cross-multiply
cross-multiply
To multiply the numerator of one of a pair of fractions by the denominator of the other.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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