Questions on Algebra: Real numbers, Irrational numbers, etc answered by real tutors!

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Question 145341: definition of rational numbers and irrational numbers: definition of rational numbers and irrational numbers
Answer by jim_thompson5910(9226) About Me  (Show Source):
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rational number: any number that can be expressed a ratio (ie fraction) of 2 whole numbers. Examples of rational numbers are 2/3, 2, 1/2, etc.


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irrational number: any number that cannot be expressed as a fraction of two whole numbers. Examples of irrational numbers are sqrt(2)/3 ( the sqrt(2) cannot be expressed as a fraction of two whole numbers), sqrt(11), etc.