# Ex 9.1, 9 (iii) - Chapter 9 Class 7 Rational Numbers

Last updated at Sept. 3, 2021 by Teachoo

Last updated at Sept. 3, 2021 by Teachoo

Transcript

Ex 9.1, 9 Which is greater in each of the following: (iii) (−3)/4, 2/(−3) (−3)/4, 2/(−3) i.e. (−3)/4, (−2)/3 Since both numbers are negative, We ignore the signs 3/4 & 2/3 We compare these two numbers Common denominator = L.C.M of 4 & 3 = 2 × 2 × 3 = 12 So, 3/4 = 2/3 = Therefore, 9/12 > 8/12 i.e. 3/4 > 2/3 Multiplying –1 both sides 3/4 × –1 < 2/3 × –1 (−3)/4 < (−2)/3 So, (−𝟐)/𝟑 is greater.

Ex 9.1

Ex 9.1, 1 (i)
Important

Ex 9.1, 1 (ii)

Ex 9.1, 1 (iii)

Ex 9.1, 1 (iv)

Ex 9.1, 2 (i)

Ex 9.1, 2 (ii)

Ex 9.1, 2 (iii)

Ex 9.1, 2 (iv)

Ex 9.1, 3 (i) Important

Ex 9.1, 3 (ii)

Ex 9.1, 3 (iii)

Ex 9.1, 4 (i) Important

Ex 9.1, 4 (ii)

Ex 9.1, 4 (iii)

Ex 9.1, 4 (iv)

Ex 9.1, 5 Important

Ex 9.1, 6 (i) Important

Ex 9.1, 6 (ii)

Ex 9.1, 6 (iii)

Ex 9.1, 6 (iv)

Ex 9.1, 6 (v)

Ex 9.1, 6 (vi)

Ex 9.1, 6 (vii)

Ex 9.1, 7 Important

Ex 9.1, 8 Important

Ex 9.1, 9 (i)

Ex 9.1, 9 (ii)

Ex 9.1, 9 (iii) You are here

Ex 9.1, 9 (iv)

Ex 9.1, 9 (v)

Ex 9.1, 10 Important

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.