8/13÷4
4÷8/13
4/5÷3
3÷4/5
15/7:5
5÷15/7
21/16÷7
7÷21/16

1) = 2/132) = 13/2 = 6 1/23) = 4/154) 15/4 = 3 3/45) = 3/76) = 7/3 = 2 1/37) = 3/168) = 16/3 = 5 1/3