| Number Magic |
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What is 'Cross-Multiplication' ? |
Answer : |
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When you multiply the numerator on one side of an equation, by the denominator on the other side of the equation, cross
multiplication takes place.
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This operation is carried out for both sides of an equation in order to eliminate fractions.
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For Example,
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8 x 3 = 12 x 2
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Hence, 24 = 24
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If one term of a proportion is not known, cross multiplication can be used to find the value of that term.
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