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					Originally posted by  igor
					 
				 
				I don't know how to do that math    when I combine both versions of both songs I do this:
 
1 Cheryl - I Don't Care 1.5267 
2 Ed Sheeran - Thinking Out Loud 0.9553
   
			
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 Yeah that's the first step. So the difference is obvious the number above 1.000 (1.5267 - 1.0000 = 0.5267) + the number below (1.0000 - 0.9553 = 0.0447) = 0.5267 + 0.0447 = 
0,5714
1.0000 - 0.5714 = 0,4286.
So it's :
1. Cheryl - I Don't Care - 1.0000
2. Ed Sheeran - Thinking Out Loud  - 0.4286
But according to some members who posted previous updates that is incorrect. Can someone tell me what I am doing wrong? 
EDIT : BlazingLovatic explained it, thanks! 