3349 ÷ 5 = 669 R4
We're going to perform division on 3349 with 5 as the divisor.

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 (3) of the dividend behind the 3 and repeat the process: 33 / 5

Step 2:
5 goes into 33 6 times with a remainder of 3.
Write down 6 as next digit of of the result. 
Result so far: 6
Subtract 30 from 33 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: 66
Subtract 30 from 34 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: 669
Subtract 45 from 49 to get 4.

The final result is 669 with a remainder of 4.