RATIONALIZING THE DENOMINATOR

When do you rationalize the denominator?

Rationalizing the denominator happens when you have a radical in the denominator of a fraction.

HOW DO YOU Rationalize IN THE DENOMINATOR?

• Multiply the radical by the numerator and denominator.
• Make sure all radicals are simplified.
• Simplify the fraction if necessary

1. Multiply radical 3 on top and bottom to get 2rad3/3

2. Multiply radical 10 on top and bottom to get 5rad10/10. Simplify to get rad10/2.

5. Multiply by rad7 to get 5rad7/3x7 & get 5rad7/21.

• 1.) Multiply radical 3 on top and bottom to get 2rad3/3

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