5/11 is a fraction, so it is for sure a rational number and a real number.
Since it is a fraction, it is NOT irrational (which means "not rational" or "not a fraction).
It is NOT an integer, whole number, or natural number, becuase it is only a piece of a whole. 5/11 ≈ 0.454545..., and intergers, whole numbers, and natural numbers don't involve decimals.
