This skill teaches how to solve for an unknown in a proportion by multiplying both sides of the equation by the denominator. This simplifies the equation to find the numerator directly.
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Manipulating a fraction in algebra orientation 2
Test your understanding of manipulating algebra fraction by practicing it! Work through the below exercises to use it in practice.
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If 9 is equal to something over 3, what is that something?
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If we multiply both sides of the equals sign by 3, we can make the equation simpler. Our mystery number is equal to 9 times 3
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9 times 3 is 27, so our mystery number is 27.