The number 1.5555 is a rational number subset that belongs to the real number system.
What is a rational number?
A rational number is defined as a numerical representation of a part of a whole that represents a fraction number.
It can be a/b of two integers, a numerator a, and a non-zero denominator b.
Real numbers are defined as the value of a continuous quantity that can represent a distance along a line a real number in mathematics.
Rational and irrational numbers are both real numbers. Rational numbers such as integers (-7, 0, 4), fractions(5/2,7/2, 4.2), and irrational numbers such as √5, π, etc., are all real numbers.
Since the number 1.5555 in the form of a decimal so it is a rational number.
Hence, the number 1.5555 is a rational number subset that belongs to the real number system.
Learn more about rational numbers here:
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