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Arrange the Given in Descending Order: `2by9, 2by3,8by21` - Mathematics

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Question

Arrange the given in descending order:

`2/9, 2/3,8/21`

Solution

`2/9, 2/3,8/21`

Changing them to like fractions, we obtain

`2/9 = (2 xx7)/(9 xx 7) = 14/63`

`2/3  = (2 xx 21)/(3 xx 21) = 42/63`

`8/21 = (8 xx 3)/(21 xx 3) = 24/63`

Since 42>24>14,

`:. 2/3 >  8/21 > 2/9`

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Chapter 2: Fractions and Decimals - Exercise 2.1 [Page 31]

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NCERT Mathematics [English] Class 7
Chapter 2 Fractions and Decimals
Exercise 2.1 | Q 2.1 | Page 31
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