To rationalise this number

  • We just try to remove the square root from the denominator.
  • So, if we multiply and divide by square root of 7... then

Rationalise the denominator of 8/√7 [with Video] - Teachoo



  1. Chapter 1 Class 9 Number Systems (Term 1)
  2. Concept wise


Rationalise the denominator of 8/√7 We have 8/√7 = 8/√7 × √7/√7 = (𝟖√𝟕)/𝟕

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.