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Example Question #1 : How To Subtract Rational Expressions With Different Denominators
Simplify.
Possible Answers:
Correct answer:
Explanation:
Determine an LCD (Least Common Denominator) between and .
LCD =
Multiply the top and bottom of the first rational expression by , so that the denominator will be .
Distribute the to .
Now you can subtract because both rational expressions have the same denominators.
Final Answer.
Paul
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