Venn diagram number properties

The expression is .

                          (Divide:)

Observe that the decimal (0.66666) of the number is repeating, so

the number is a rational number.

Observe the Venn diagram:

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•   The number is not a Natural number (N), not a Whole number (W),
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            and not an Integer (Z).

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•   The number is a rational number (Q).  
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•   All rational numbers (Q) are real numbers (R).
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The number belongs to Q and R.