RS Aggarwal Class 8 Maths Chapter 1 Ex 1.3 Solutions 2022 | Download Free PDF RS Aggarwal Class 8 Maths Chapter 1 Ex 1.3 Solutions – This exercise is based on the subtraction of rational numbers. Practicing as many times as possible enables the students to build their time management skills & also boosts their confidence level to attain excellent ranks. The students will learn the problems based on the subtraction of rational numbers & their properties. These solutions are formulated by the Mathematics expert team in an easy language.

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RS Aggarwal Class 8 Maths Chapter 1 Rational Numbers Ex. 1.3 Solutions

RS Aggarwal Class 8 Maths Chapter 3 Ex 3.2 Solutions

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Important Definition for RS Aggarwal Class 8 Maths Chapter 1 Ex 1.3 Solutions

The students will learn about the subtraction of rational numbers in this exercise & will do problems based on the same. Suppose, if f/g & h/i are 2 rational numbers, subtracting h/i from f/g means adding additive inverse (negative) of h/i to f/g. The subtracting of h/i from f/g is mentioned as f/g – h/i.

So, you can get f/g – h/i = f/g + (-h/i), [As additive inverse of h/i is – h/i]

Subtraction of two rational numbers includes 2 different cases.

Subtraction of Rational Numbers with same denominators: Assume 2 numbers, say 7/3 & 5/3. The subtraction of 2 rational numbers is given by: 7/3 − 5/3 = 7 – 5/3 = 23

Subtraction of Rational Numbers with Different Denominators: Consider 2 rational numbers, say 4/3 & 5/2. The denominators are different. By finding the LCM of the denominator values, the addition of rational numbers forms the denominator value the same.

LCM of 3 & 2 is 6.

4/3 – 5/2 = 4(2) − 5(3)6

4/3 – 5/2 = 8 – 15/6 = −76

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