9/806 = 9 goes into 80 8 times which gives you 72. 80-72 is 8 and when you bring down the 6, 9 goes into 86 9 times with a remainder of 5 . This gives you 89 R 5
If one is 4 , then other may be 3 and so other 2......this will get you only 9 .
so it is understood that one must be greater than 4
