49999 ÷ 5 = 9999 R4
Let's divide 49999 by 5.

Step 1:
5 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 (9) of the dividend behind the 4 and repeat the process: 49 / 5

Step 2:
5 goes into 49 9 times with a remainder of 4.
Write down 9 as next digit of of the result. 
Result so far: 9
Subtract 45 from 49 to get 4.
Bring next digit (9) of the dividend behind the 4 and repeat the process: 49 / 5

Step 3:
5 goes into 49 9 times with a remainder of 4.
Write down 9 as next digit of of the result. 
Result so far: 99
Subtract 45 from 49 to get 4.
Bring next digit (9) of the dividend behind the 4 and repeat the process: 49 / 5

Step 4:
5 goes into 49 9 times with a remainder of 4.
Write down 9 as next digit of of the result. 
Result so far: 999
Subtract 45 from 49 to get 4.
Bring next digit (9) of the dividend behind the 4 and repeat the process: 49 / 5

Step 5:
5 goes into 49 9 times with a remainder of 4.
Write down 9 as next digit of of the result. 
Result so far: 9999
Subtract 45 from 49 to get 4.

The final result is 9999 with a remainder of 4.