Class7_Maths_Rational Numbers_Introduction to Rational Numbers

All numbers, including whole numbers, integers, fractions and decimal numbers, can be written
in the numerator-denominator form. A rational number is a number that can be written in the form p/q, where p and q are integers and q ≠ 0. . The denominator of a rational number can
never be zero. A rational number is positive if its numerator and denominator are both either
positive integers or negative integers. If either the numerator or the denominator of a rational
number is a negative integer, then the rational number is called a negative rational number.

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