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Compare: (-7)/8 and 5/-6 - Mathematics

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Question

Compare: `(-7)/8 and 5/-6`

Sum

Solution

`(-7)/8 and 5/-6`

-7 × -6 and 5 × 8 

`(therefore "a"/"b"  "and"  "c"/"d" => "a" xx "d"  "and"   "b" xx "c")`

42 > 40    (∵ a × d > b × c)

`therefore (-7)/8 > 5/-6`

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Concept for Problem Solving Using Operations on Rational Numbers
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Chapter 2: Rational Numbers - Exercise 2 (B)

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 2 Rational Numbers
Exercise 2 (B) | Q 3.6
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