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Question
Compare the following pair of rational numbers
`(-11)/5, (-21)/8`
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Solution
`(-11)/5, (-21)/8`
L.C.M of 5, 8 is 40
`(-11)/5 = (-11 xx 8)/(5 xx 8) = (-88)/40`
`(-21)/8 = (-21 xx 5)/(8 xx 5) = (-105)/40`
`(-88)/40 > (-105)/40`
∴ `(-11)/5 > (-21)/8`
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