Выполните деление 3/4: 9 2/5: 10 11/15: 22 4/7: 2 2 1/7: 15 1 7/9: 8 4 1/2: 6 5 1/7: 7

1)1/12
2)1/25
3)1/15
4)2/7
5)1/15
6)17/81
7)3 5/12
8)-

3/4 :9 = 0,083 
2/5 : 10 = 0,04
11/15 : 22 =  0,033
4/7 : 2 =  0,285
2 1/7 : 15 = 0,0093
1 7/9 : 8 = 0,09625
4 1/2 : 6 = 0,083
5 1/7 : 7 = 0,021