Answer:
No because when you set it up it would be 11/9.4 which equals 1.17 
Then you do the other side, 10/8.4 which equals 1.19
And 1.17 doesn't equal 1.19 so they are not similar
 
        
             
        
        
        
7 14/18 since you can reduce this to 7 7/9:)
        
             
        
        
        
Answer:
8+15+32+45= 100 minutes, or an hour and 40 minutes