irrational
rational
A half belongs to the positive fractions family, which comes under fractions, which comes under the large family of rational numbers.
Integers, odd integers, negative integers, odd negative integers, rational numbers, negative rational numbers, real numbers, negative real numbers, square roots of 1, etc.
The square root of 34 belongs to the set of irrational numbers, as it cannot be expressed as a fraction of two integers. It is also a member of the real numbers, which include both rational and irrational numbers. Additionally, since 34 is a positive number, its square root is a positive real number.
Rational numbers and Real numbers
Integer, Real, whole, and natural. I may have skipped a few.
Irrational: it cannot be written exactly in the decimal notation.
Negative integers, rationals and real numbers
rational
Rational
Positive numbers
Rational
Irrational
A half belongs to the positive fractions family, which comes under fractions, which comes under the large family of rational numbers.
Among other things, it belongs to the following sets: positive numbers; irrational numbers; algebraic numbers.
Rationals and the reals, themselves.
Numbers that include real numbers are natural numbers, whole numbers, integers, rational numbers and irrational numbers.