46403 ÷ 9 = 5155 R8
No problem, we've got 46403 and 9 for the division.

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 (6) of the dividend behind the 4 and repeat the process: 46 / 9

Step 2:
9 goes into 46 5 times with a remainder of 1.
Write down 5 as next digit of of the result. 
Result so far: 5
Subtract 45 from 46 to get 1.
Bring next digit (4) of the dividend behind the 1 and repeat the process: 14 / 9

Step 3:
9 goes into 14 1 times with a remainder of 5.
Write down 1 as next digit of of the result. 
Result so far: 51
Subtract 9 from 14 to get 5.
Bring next digit (0) of the dividend behind the 5 and repeat the process: 50 / 9

Step 4:
9 goes into 50 5 times with a remainder of 5.
Write down 5 as next digit of of the result. 
Result so far: 515
Subtract 45 from 50 to get 5.
Bring next digit (3) of the dividend behind the 5 and repeat the process: 53 / 9

Step 5:
9 goes into 53 5 times with a remainder of 8.
Write down 5 as next digit of of the result. 
Result so far: 5155
Subtract 45 from 53 to get 8.

The final result is 5155 with a remainder of 8.