4/11 ,20/36 ,32/72 ,4/17 arrange the following rational number in descending order.
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Answer:
20/36 > 32/72 > 4/17 > 4/11
Step-by-step explanation:
i) Reduce all the rational numbers into their standard form => 4/11, 5/9, 8/18, 4/17 .
ii) Now to get the denominator same, take out the L.C.M of 11, 9 ,18, 17 i.e => 3366.
iii) Then, solve it by multiplying.
=> 4/11 x 36/36 = 144/3366 --------(1)
=>5/9 x 374/374 = 1870/3366 -----(2)
=>8/18 x 187/187 = 1496/3366 -----(3)
=>4/17 x 198/198 = 792/3366 -----(4)
iv) Now, compare (1),(2),(3),(4)....
v) we get=> 5/9 > 8/18 > 4/17 > 4/11
hence, => 20/36 > 32/72 > 4/17 > 4/11
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20/36 > 32/72 > 4/17 > 4/11
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