Rationalizing Denominators Worksheet
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Rationalizing Denominators Worksheet
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Worked Example
Problem: Rationalize: 5/√6
- Multiply by √6/√6.— This equals 1, so value is unchanged.
- (5·√6)/(√6·√6) = 5√6/6— √6·√6 = 6.
Answer: 5√6/6
Frequently Asked Questions
Rewriting a fraction so there is no radical in the denominator.
Multiply top and bottom by √3: √3/(√3·√3) = √3/3.
Multiply by the conjugate (2 − √5) over itself. The denominator becomes 4 − 5 = −1.