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Multiply by the bottom, divide by the top. So if your equation is, say, 4/5 times 4, you would multiply 4 times five, then divide your answer by 4.

To get rid of fractions in an equation, multiply every term in the equation by the denominators of all the fractions.

Example:

3/4A + 1/3B = 24

multiply each term by 4, then 3A + 4/3B = 96

multiply each term by 3, then 9A + 4B = 288

To save a step, each term in the above example could have been multiplied by 12 (3 x 4)

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Q: How do you get rid of fractions in an equation?
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