+0  
 
0
588
1
avatar+182 

6 11/15-3 7/10=

 

 

 

NO NEGATIVE

 Aug 19, 2016
 #1
avatar+9575 
+5

6 11/15 - 3 7/10

= 6 22/30 - 3 21/30

= 3 1/30

 Aug 19, 2016

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