We divide 669857 by 18
We're looking to find how many times 18 goes into 669857.

Step 1:
The number 18 fits into 6 0 times, leaving a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Include the next digit (6) from the dividend after 6, then repeat: 66 / 18

Going ahead to step 2:
If we divide 66 by 18, we get 3 and a remainder of 12.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Subtract 54 from 66 to get 12.
Include the next digit (9) from the dividend after 12, then repeat: 129 / 18

Step 3:
If we divide 129 by 18, we get 7 and a remainder of 3.
Record the quotient 7 as the next digit in the result. 
Result so far: 37.0
Subtract 126 from 129 to get 3.
Include the next digit (8) from the dividend after 3, then repeat: 38 / 18

On to step 4:
18 goes into 38 2 times with a remainder of 2.
Write down 2 as next digit of the result. 
Result so far: 372.0
The remainder is 2 after subtracting 36 from 38.
Append the next digit (5) from the dividend to 2 and continue with: 25 / 18

Advancing to step 5:
If we divide 25 by 18, we get 1 and a remainder of 7.
Record the quotient 1 as the next digit in the result. 
Result so far: 3721.0
Subtract 18 from 25 to get 7.
Bring next digit (7) of the dividend behind the 7 and repeat the process: 77 / 18

Let's proceed to step 6:
When dividing 77 by 18, we get 4 with a remainder of 5.
The number 4 becomes the next digit in our result. 
Result so far: 37214.0
If we subtract 72 from 77, we get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Step 7:
The number 18 fits into 50 2 times, leaving a remainder of 14.
Write down 2 as next digit of the result. 
Result so far: 37214.2
If we take 36 away from 50, we end up with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Advancing to step 8:
When dividing 140 by 18, we get 7 with a remainder of 14.
The number 7 becomes the next digit in our result. 
Result so far: 37214.27
Deduct 126 from 140 and we're left with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Step 9:
If we divide 140 by 18, we get 7 and a remainder of 14.
The number 7 becomes the next digit in our result. 
Result so far: 37214.277
Subtract 126 from 140 to get 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

In conclusion, the division gives 37214.277 with a balance of 0.0014.