Some are and some aren't.
62 is real and rational.
1/3 is real and rational.
sqrt(2) is real and irrational.
(pi) is real and irrational.
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All rational numbers are examples of numbers which are both rational and real.
The rational numbers, since it is a proper subset of the real numbers.
Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction. All rational numbers are real.
No. A real number is only one number whereas the set of rational numbers has infinitely many numbers. However, the set of real numbers does contain the set of rational numbers.
247 is both a rational and real number. A rational number is any number that can be expressed as a fraction where the numerator and denominator are integers, and 247 can be written as 247/1. Real numbers include all rational numbers, as well as irrational numbers, and since 247 is a rational number, it falls under the category of real numbers.