Question

descending order. 4/5,7/10,9/20,3/4
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Answer 1

Answer:

4/5.  ,3/4.  ,7/10.    ,9/20

or

4/5> 3/4> 7/10> 9/20

Step-by-step explanation:

just make all the denominator equal and then arrange

LCM of 5,10,4 ,20 =20

4/5= (4*4)/(5*4)= 16/20

7/10= (7*2)/(10*2)= 14/20

9/20=(9*1)/(20*1) =9/20

3/4=(3*5)/4*5) =15/20

i hope this answer helps u

Answer 2

Answer:

4/5 > 3/4 > 7/10 > 9/20

Step-by-step explanation:

4/5 , 7/10 , 9/20 , 3/4

LCM = 20

4×5/20 , 7×2/20 , 9×1/20 , 3×5/20

= 20/20 , 14/20 , 9/20 , 15/20

= 20/20 > 15/20 > 14/20 > 9/20

= 4/5 > 3/4 > 7/10 > 9/20