Let us find if decimal numbers are rational or irrational

Finding if Decimal Number is rational or irrational.jpg

Let us look at some examples

 

Q: Is 2.5 a rational number?

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Q: Is 0.142857142… a rational number?

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Q: Is 1.10100100010000.. a rational number?

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  1. Chapter 1 Class 9 Number Systems
  2. Concept wise
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About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.