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Rationalise the Denominator

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More Lessons for GCSE Maths
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Examples, videos, and solutions to help GCSE Maths students learn about surds and rationalising denominators by working through some examination questions.

The following diagram shows examples of how to rationalize the denominator. Scroll down the page for more examples and solutions on how to rationalize the denominator.

Rationalise Denominator

Rationalising Denominators - Part 1
A single surd in the denominator
Rationalising Denominators - Part 2
More complex surds in the denominator



Rationalise the Denominator: Practice Questions
Rationalising (or rationalizing for our American friends) the denominator How to do Surds GCSE A/A* Maths revision Higher level exam questions (simplifying, rationalising)?

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