# Ex 9.2, 1 (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 9.2, 1 Find the sum : (iii) (−9)/10 + 22/15 (−9)/10 + 22/15 = (−9 × 15 + 22 × 10)/(10 × 15) = (−135 + 220)/150 = (220 − 135)/150 = 85/150 = 𝟏𝟕/𝟑𝟎

Ex 9.2

Ex 9.2, 1 (i)
Important

Ex 9.2, 1 (ii)

Ex 9.2, 1 (iii) You are here

Ex 9.2, 1 (iv)

Ex 9.2, 1 (v)

Ex 9.2, 1 (vi)

Ex 9.2, 1 (vii)

Ex 9.2, 2 (i) Important

Ex 9.2, 2 (ii)

Ex 9.2, 2 (iii)

Ex 9.2, 2 (iv)

Ex 9.2, 2 (v)

Ex 9.2, 3 (i) Important

Ex 9.2, 3 (ii)

Ex 9.2, 3 (iii)

Ex 9.2, 3 (iv)

Ex 9.2, 3 (v)

Ex 9.2, 3 (vi)

Ex 9.2, 4 (i) Important

Ex 9.2, 4 (ii)

Ex 9.2, 4 (iii)

Ex 9.2, 4 (iv)

Ex 9.2, 4 (v)

Ex 9.2, 4 (vi)

Ex 9.2, 4 (vii)

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Davneet Singh

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.