Class 8 Maths-NCERT Solution-Rational Numbers Rational Numbers A rational number is a number that can be written in the form of P/Q where P and Q are integers and Q is not equal to 0. Example:-5/7, (-2/3) Properties of Rational numbers We will first discuss the properties of rational numbers. Closure Property We call a set of numbers closed under operation if performance of that operation on members of the set of numbers always creates a member of the same set only; in this case we also say that the set is closed under the operation. Under addition Rational numbers are closed under addition.For any two rational numbers a and b,a+b is also a rational number. Under subtraction Rational numbers are closed under addition.For any two rational numbersaand b, a-b is also a rational number. Under Multiplication Rational statistics are closed under multiplication.For any two rational numbers a and b, a*b is also a rational number. Under...
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