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Arrange the Following Rational Numbers in Ascending Order. 7 4 , − 6 5 and − 5 2 - Mathematics

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प्रश्न

Arrange the following rational numbers in ascending order.

`(7)/(4), (-6)/(5) and (-5)/(2)`

योग

उत्तर

Given number : `(7)/(4), (-6)/(5) and (-5)/(2)`

The L.C.M. of 4, 5 and 2 is 20.

Thus, numbers are :
`(7)/(4)`

= `(7 xx 5)/(4 xx 5)`

= `(35)/(20)`;

`(-6)/(5)`

= `(-6 xx 4)/(5 xx 4)`

= `(-36)/(20)`

and `(-5)/(2)`

= `(-5 xx 10)/(2 xx 10)`

= `(-50)/(20)`

Since -50 < -36 <35, we have `(-5)/(2) < (-6)/(5) < (7)/(4)`.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Irrational Numbers - Exercise 1.1

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फ्रैंक Mathematics [English] Class 9 ICSE
अध्याय 1 Irrational Numbers
Exercise 1.1 | Q 10.4
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