Ex 9.2, 2 - Find (i) 7/24 - 17/36  (ii) 5/63 - (-6/21) (iii) -6/13

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Ex 9.2, 2 - Chapter 9 Class 7 Rational Numbers - Part 2

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  1. Chapter 9 Class 7 Rational Numbers
  2. Concept wise

Transcript

Ex 9.2, 2 Find (i) 7/24 − 17/36 7/24 − 17/36 = (7 × 36 − 17 × 24)/(24 × 36) = (252 − 408)/(24 × 36) = (−(−252 + 408))/(24 × 36) = (−(408 − 252))/(24 × 36) = (−156)/(24 × 36) = (−78)/(12 × 36) = (−39)/(6 × 36) = (−13)/(2 × 36) = (−𝟏𝟑)/( 𝟕𝟐)

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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.