63405 ÷ 5 = 12681 R0
Let's divide 63405 by 5.

Step 1:
5 goes into 6 1 times with a remainder of 1.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 5 from 6 to get 1.
Bring next digit (3) of the dividend behind the 1 and repeat the process: 13 / 5

Step 2:
5 goes into 13 2 times with a remainder of 3.
Write down 2 as next digit of of the result. 
Result so far: 12
Subtract 10 from 13 to get 3.
Bring next digit (4) of the dividend behind the 3 and repeat the process: 34 / 5

Step 3:
5 goes into 34 6 times with a remainder of 4.
Write down 6 as next digit of of the result. 
Result so far: 126
Subtract 30 from 34 to get 4.
Bring next digit (0) of the dividend behind the 4 and repeat the process: 40 / 5

Step 4:
5 goes into 40 8 times with a remainder of 0.
Write down 8 as next digit of of the result. 
Result so far: 1268
Subtract 40 from 40 to get 0.
Bring next digit (5) of the dividend behind the 0 and repeat the process: 5 / 5

Step 5:
5 goes into 5 1 times with a remainder of 0.
Write down 1 as next digit of of the result. 
Result so far: 12681
Subtract 5 from 5 to get 0.

The final result is 12681 with a remainder of 0.