39863 ÷ 5 = 7972 R3
No problem, we've got 39863 and 5 for the division.

Step 1:
5 goes into 3 0 times with a remainder of 3.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 3 to get 3.
Bring next digit (9) of the dividend behind the 3 and repeat the process: 39 / 5

Step 2:
5 goes into 39 7 times with a remainder of 4.
Write down 7 as next digit of of the result. 
Result so far: 7
Subtract 35 from 39 to get 4.
Bring next digit (8) of the dividend behind the 4 and repeat the process: 48 / 5

Step 3:
5 goes into 48 9 times with a remainder of 3.
Write down 9 as next digit of of the result. 
Result so far: 79
Subtract 45 from 48 to get 3.
Bring next digit (6) of the dividend behind the 3 and repeat the process: 36 / 5

Step 4:
5 goes into 36 7 times with a remainder of 1.
Write down 7 as next digit of of the result. 
Result so far: 797
Subtract 35 from 36 to get 1.
Bring next digit (3) of the dividend behind the 1 and repeat the process: 13 / 5

Step 5:
5 goes into 13 2 times with a remainder of 3.
Write down 2 as next digit of of the result. 
Result so far: 7972
Subtract 10 from 13 to get 3.

The final result is 7972 with a remainder of 3.