5/8 ÷ 9/14 = 35/36
6/7 divided by 5 = 6/7 divided by 5/1 =6/7 times 1/5 =6/35
3/5 ÷ 7/12 = 36/35 or 11/35
36 / (6/5) = 36 x 5/6 = 30
5/36
5.8333
(8/-5) + (4/7) = (-56/35) + (20/35) = -36/35
7.2
(42/5)/(35/9)=(42/5)x(9/35)=378/175
It is: 9/7 divided by 5/81 = 729/35
-5/12 divided by 15/7 = -7/36
5.8333