Key term for OCR GCSE Mathematics, used in Exact Calculations.
The process of multiplying a fraction by an equivalent of 1 to eliminate any surds from the denominator.
Rationalising the denominator appears in OCR GCSE Mathematics revision content for Indices and Surds, especially Exact Calculations and Surd Manipulation.
Create a free account to access OCR GCSE Mathematics revision notes, track progress, and practise related key terms.