Try 1/2. It's rational - a fraction - but it's not a natural (whole) number.
There are so many, like .35, or .2423897189027, or 9.3, or 1.33333333333333... or 1.142857142857...
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A natural number is always a rational number .
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
Natural numbers are a part of rational numbers. All the natural numbers can be categorized in rational numbers like 1, 2,3 are also rational numbers.Irrational numbers are those numbers which are not rational and can be repeated as 0.3333333.
Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction. All natural and whole numbers are rational.
the greatest number that is an integer and rational number but is not a natural or whole number is -1