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Rational numbers form a proper subset of real numbers. So all rational numbers are real numbers but all real numbers are not rational.

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โˆ™ 2012-10-28 16:48:01
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Q: What is the relationship between real number and rational number?
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Related questions

What is the relationship of rational numbers and real number?

The set of rational numbers is a subset of the set of real numbers. That means that every rational number is a real number, but not every real number is rational. The square root of 2 is an example of a real number that isn't rational; that is, it can't be expressed as the quotient of two integers.


What is the relationship between irrational numbers and rational numbers?

An irrational number is a number that can't be expressed by a fraction having integers in both its numerator and denominator. A rational number can be.


To which subsets of the real numbers does the number 1.68 belong?

Real number, Rational Number


Difference between real and rational number?

Rational numbers are numbers that can be written as a fraction. Real numbers are any number, including irrationals.


If a number is a real number then is it a rational number?

Not necessarily. All rational numbers are real, not all real numbers are rational.


What is the best classification for 0.4?

integer, rational number, and real number


Is there a rational number between two real numbers?

Yes. There are infinitely many rational numbers between any two real numbers.


What is the rational number between -15 and -10?

Between any two different real numbers, there are infinitely many rational numbers.


Is a decimal a considered a real number and a rational number?

Decimals are real. They can be rational or irrational.


Every rational number is a real number?

Yes it is, but not every real number is a rational number


Are there real number that are not rational number?

A real number dosen't have to be a rational number as a real number can be rational or irrational i.e the root of 2 is irrational and real. So is (pi).


Is a real number always sometimes or never a rational number?

Sometimes. The number '4' is real and rational. The number 'pi' is real but not rational.


Is a rational number a subset of the set of integers?

not necessarily... An integer is a rational number, but so is any real number between consecutive integers.


Is 34 and real and rational number?

Yes, 34 is a real and rational number


Which number is an integer a rational number and a real number?

Every integer is also a rational number and a real number.


What is the relationship between real numbers integers rational and irrational numbers and whole numbers?

They are all numbers


Can a real number that is not a rational number is a?

A real number which is not a rational number is an irrational number.


Is a real number sometimes a rational number?

Infinitely rarely, a real number is also a rational number. (There are an infinite number of rational numbers, but there are a "much bigger infinity" of real numbers.)


Is -5 over 8 a real number or an integer or a rational number or an irrational number?

It is a real and rational number.


Is every real number an rational number or irrational number?

Numbers are split into real and imaginary. Rational numbers are under the category: Real. Therefore all rational numbers are real. An irrational number is also real, but can not be expressed as a fraction.


Is every real number is rational?

No. Every real number is not a natural number. Real numbers are a collection of rational and irrational numbers.


Is -3 a rational number and a real number?

Yes. -3 is both rational and real. -3 is an integer. All integers are rational numbers. All rational numbers are real numbers. Thus -3 is a rational number and a real number.


Why the rational number 10 is also a real number?

Rational numbers are a proper subset of real numbers so all rational numbers are real numbers.


Is 0 an example of a rational number that is not a real number?

No. All rational numbers are real. Rational numbers are numbers that can be written as a fraction.


What is a number that's real and rational?

Every rational number.