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Rational numbers are numbers that can be written as a fraction. Irrational Numbers cannot be expressed as a fraction. All natural numbers are rational.

Q: Is the difference of rational numbers a rational number?

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Another rational number.

-- There's an infinite number of rational numbers. -- There's an infinite number of irrational numbers. -- There are more irrational numbers than rational numbers. -- The difference between the number of irrational numbers and the number of rational numbers is infinite.

a rational number is different from a natural number because a rational number can be expressed as a fraction and natural numbers are just countinq numbers =D

Yes, that's true.

A Rational number is a fraction of two integers; a rational expression is a fraction that contains at least one variable

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Yes.

Another rational number.

-- There's an infinite number of rational numbers. -- There's an infinite number of irrational numbers. -- There are more irrational numbers than rational numbers. -- The difference between the number of irrational numbers and the number of rational numbers is infinite.

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

There is no difference. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

Yes.

A rational number can be written as (one whole number) divided by (another whole number). An irrational number can't.

Yes it is. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

a rational number is different from a natural number because a rational number can be expressed as a fraction and natural numbers are just countinq numbers =D

Yes. The rational numbers are a closed set with respect to subtraction.

Yes. This is the same as asking for one rational number to be subtracted from another; to do this each rational number is made into an equivalent rational number so that the two rational numbers have the same denominator, and then the numerators are subtracted which gives a rational number which may possibly be simplified.

There is no number which can be rational and irrational so there is no point in asking "how".