1) 1 1/50 : 0,02 = 51

2) 7,26 : 11/70 = 231/5

3)51 - 231/5 = 24/5

4) 24/5 : 3 1/5 = 24/5 : 16/5 = 3/2

5)2/5 : 0, 36 = 10/9

6) 3/2 + 10/9 = 47/18 = 2 11/18