Rational Equations

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Rational Equations
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Rational Equations

• To solve a rational equation, first multiply both
  sides by.
• the LEAST COMMON DENOMINATOR (lcd)

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Rational Equations
Why? Why should we multiply both sides by the
LCD?
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Rational Equations
Why should we multiply both sides by the LCD?
To eliminate the fractions!!
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Rational Equations
LCD
6x
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Rational Equations
LCD
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Rational Equations
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Rational Equations
Larry and Moe run a lawn mowing service. Larry
can mow Curlys yard in three hours. It takes
Moe only two hours to mow Curlys yard. How long
would it take the two of them working together?
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Rational Equations
Larrys time alone 3 hours Moes time alone 2
hours
Think Rate Time Amount Mowed
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Rational Equations
Larrys time alone 3 hours Moes time alone 2
hours
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Rational Equations