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Evaluate: 2/3 - 4/5 - Mathematics

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Question

Evaluate:

`2/3 - 4/5`

Sum

Solution

`2/3 - 4/5` 

3 3, 5
5 1, 5
  1,1

LCM of 3 and 5 = 15

`= (2xx5)/(3xx5) - (4xx3)/(5xx3)` (LCM of 3 and 5 = 15)

`= (10-12)/15 = (-2)/15`

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Chapter 1: Rational Numbers - Exercise 1 (B) [Page 13]

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Selina Concise Mathematics [English] Class 8 ICSE
Chapter 1 Rational Numbers
Exercise 1 (B) | Q 1.1 | Page 13
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