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How many unique numbers can be made from creating a fraction with 2,3,4,or 6 in the numerator and 2,3,4 or 6 in the denominator?

 Dec 18, 2018
 #1
avatar+94275 
+1

We have 4 x 4  = 16 possibilities

 

2/2  2/3  2/4  2/6

  1   2/3  1/2  1/3

 

3/2 3/3  3/4  3/6

3/2  1    3/4   1/2

 

4/2 4/3  4/4  4/6

2     4/3  1    2/3

 

6/2 6/3  6/4  6/6

 3   2    3/2   1

 

The ones in red are unique  =  9

 

 

cool cool cool

 Dec 19, 2018

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