Arrange ascending and descending order
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=> 9/2, 7/4, 17/6, 15/7
=> LCM of 2,4,6,7 = 84
=> 9x42/2x42, 7x21/4x21, 17x14/6x14, 15x12/7x12
=> 378/84, 147/84, 98/84, 180/84
=> 98/84 < 147/84 < 180/84 < 378/84
Therefore ascending order =
17/6 < 7/4 < 15/7 < 9/2
Descending order =
9/2 > 15/7 > 7/4 > 17/6
=> 9/2, 7/4, 17/6, 15/7
=> LCM of 2,4,6,7 = 84
=> 9x42/2x42, 7x21/4x21, 17x14/6x14, 15x12/7x12
=> 378/84, 147/84, 98/84, 180/84
=> 98/84 < 147/84 < 180/84 < 378/84
Therefore ascending order =
17/6 < 7/4 < 15/7 < 9/2
Descending order =
9/2 > 15/7 > 7/4 > 17/6
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