RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions for Class 8 Mathematics

Created by: Abhishek Kapoor

Class 8 : RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

The document RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev is a part of the Class 8 Course RD Sharma Solutions for Class 8 Mathematics.
All you need of Class 8 at this link: Class 8

Question 1: Simplify each of the following and write as a rational number of the form p/q:

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

Answer :

(i)

 RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

=17/24

(ii) 

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= -17/18

(iii)

  RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= -119/24

(iv) 

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= -61/31

(v)

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= -5/60


= -1/12

(vi)

 RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= 5/6

Question 2: Express each of the following as a rational number of the form p/q:

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

Answer :

(i)

 RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= -177/24

= -59/8

(ii) 

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= 17/63

(iii) 

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= 235/24

(iv) 

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= -121/140

(v)

 RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= 7/12

Question 3: Simplify:

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

Answer :

(i) RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

Taking the L.C.M.of the denominators:

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

-8/4

= -2

(ii) RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

Taking the L.C.M.of the denominators:

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= -1/6

(iii) RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

Taking the L.C.M.of the denominators:

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= 9/12

= 3/4

(iv) RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

Taking the L.C.M.of the denominators:

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= 33/70

(v) RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

Taking the L.C.M.of the denominators:

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= 17/30

(vi) RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

Taking the L.C.M.of the denominators: 

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

RD Sharma Solutions - Chapter 1 - Rational Numbers (Ex - 1.4), Class 8, Maths Class 8 Notes | EduRev

= 33/72

= 11/24

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