42786 ÷ 9 = 4754 R0
Let's divide 42786 by 9.

Step 1:
9 goes into 4 0 times with a remainder of 4.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 4 to get 4.
Bring next digit (2) of the dividend behind the 4 and repeat the process: 42 / 9

Step 2:
9 goes into 42 4 times with a remainder of 6.
Write down 4 as next digit of of the result. 
Result so far: 4
Subtract 36 from 42 to get 6.
Bring next digit (7) of the dividend behind the 6 and repeat the process: 67 / 9

Step 3:
9 goes into 67 7 times with a remainder of 4.
Write down 7 as next digit of of the result. 
Result so far: 47
Subtract 63 from 67 to get 4.
Bring next digit (8) of the dividend behind the 4 and repeat the process: 48 / 9

Step 4:
9 goes into 48 5 times with a remainder of 3.
Write down 5 as next digit of of the result. 
Result so far: 475
Subtract 45 from 48 to get 3.
Bring next digit (6) of the dividend behind the 3 and repeat the process: 36 / 9

Step 5:
9 goes into 36 4 times with a remainder of 0.
Write down 4 as next digit of of the result. 
Result so far: 4754
Subtract 36 from 36 to get 0.

The final result is 4754 with a remainder of 0.