6/7 is natural numbers, whole numbers, integers, rational numbers, irrational numbers, or real numbers.

Rational, Real number

Step-by-step explanation:

It is not natural because it is not a whole number.

It is not whole because it is a fraction.

It is not an integer because integers are whole numbers.

It is rational because it eventually ends.

It is not irrational because when you divide by seven, the number eventually ends.

It is real because it is a positive number.