Because rational numbers aren't able to be notated precisely in decimal form. They don't stop.
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If you want to use a rational number for a mathematical operation, it will be necessary to estimate it for a numerical outcome. Irrational numbers can't be written out exactly.
Irrational numbers are not able to be formed from a simple ratio or fraction.The root word behind rational is the word Ratio, the relationship of two numbers. Their ratio.Pi and e would be common irrational numbers, as is 2^0.5
No, integers aren't irrational numbers. For a number to be irrational, it must not be able to be expressed as a fraction of two integers. Every integer can be expressed as the integer itself divided by one, and so fails to meet this requirement. For example, 2 can be expressed as 2/1; therefore, it is a rational number as opposed to an irrational number.
The only number I seem to be able to find is: * 1 Unless one wants to use rational and irrational numbers. That is a different story.
Normal fractions are rational numbers. So you might not be able to share things without rationals.