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  1. Chapter 1 Class 8 Rational Numbers
  2. Serial order wise
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Example 3 Write the additive inverse of the following: (i) (βˆ’7)/19 Additive inverse of (βˆ’7)/19 = = πŸ•/πŸπŸ— Check : Number + Additive inverse = 0 L.H.S = Number + Additive inverse = (βˆ’7)/(19 ) + 7/19 = 0 = R.H.S Hence, 7/19 is the additive inverse of (βˆ’7)/19. Example 3 Write the additive inverse of the following: (ii) 21/112 Additive inverse of 21/112 = Check: Number + Additive inverse = 0 L.H.S = Number + Additive inverse = 21/(112 ) + ((βˆ’21)/112) = 0 = R.H.S Hence, (βˆ’21)/112 is the additive inverse of 21/112.

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.