Question

Arrange the following into rational number in ascending and decending order.
5/8.3/4.7/12
6/7.2/3.5/21​

Answer 1

Answer:

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Step-by-step explanation:

5/8,3/4,7/12,6/7,2/3,5/21

first we take lcm of the denominators

LCM  of  8,4,12,7,3,21=2×2×3×7×2

                                  =168

(5/8)×21=105/168

(3/4)×42=126/168

(7/12)×14=98/168

(6/7)×24=144/168

(2/3)×56=112/168

(5/21)×8=40/168

now the ascending order is :

40/168 , 98/168 , 105/168 , 112/168 , 126/168 , 144/168

=5/21 , 7/12 , 5/8 , 2/3 , 3/4 , 6/7

now the descending order is :

144/168 , 126/168 , 112/168 , 105/168 , 98/168 , 40/168

=6/7 , 3/4 , 2/3 , 5/8 , 7/12 , 5/21