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Question
Arrange the given rational numbers in ascending order:
`7/10 , (-11)/-30 "and" 5/-15`
Sum
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Solution
`7/10 , (-11)/-30 "and" 5/-15`
`= 7/10 , 11/30 "an d" (-5)/15`
`= (7 xx 3)/(10 xx 3), 11/30 "and" (-5 xx 2)/(15 xx 2)`
(∵ LCM of 10, 30 and 15 = 30)
`= 21/30 , 11/30, (-10)/30`
Since, - 10 < 11 < 21
`therefore (-10)/30 < 11/30 < 21/30`
`=> 5/-15 < (-11)/-30 < 7/10`
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