The compound ratio of 5:6, 3:2 and 4:5?  Choose the correct option: A) 1:5 B) 1:8 C) 1:2 D) 1:1 E) 1:9
5/6 * 3/2 * 4/5= 
<gadget id="calculator">5/6 * 3/2 * 4/5</gadget>
<output>1</output>
1/1   1:1   Answer:1:1
<result>D</result>
The compound ratio of 5:6, 3:2 and 4:5?