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A rational number, by definition, is a number that can be written as a fraction. The answer, if it is presented as a ratio is simply to replace the colon (:) with a slash (/). It may be in the form of an integer, in which case it can be written as a fraction with denominator = 1. Otherwise, it is a simple function of a fraction or fractions which will need evaluating.
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Is 18 rational or irrational?
irrational
Is 4.5 irrational?
4.5 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
Is 2.360 rational?
2.360 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
Is -22.6 rational?
-22.6 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
Is -20 rational?
20 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
