Natural number, integer, real number and so on There are natural numbers, integers, positive numbers, negative numbers, rational numbers, irrational numbers, and so on

Natural number, integer, real number and so on There are natural numbers, integers, positive numbers, negative numbers, rational numbers, irrational numbers, and so on

Rational numbers include positive numbers, negative numbers, and 0. Positive numbers include positive fractions and positive integers. Negative numbers include negative fractions and negative integers
Or integer, fraction. Integer includes positive integer, negative integer, 0. Fraction includes integral fraction, negative fraction
Natural numbers include 0, positive integers
Real numbers include rational numbers and irrational numbers