We look at the division of 669388 by 8 
We're looking to find how many times 8 goes into 669388.

Going ahead to step 1:
The number 8 fits into 6 0 times, leaving a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Fetch the next digit (6) from the dividend, attach it to 6 and continue: 66 / 8

Advancing to step 2:
66 divided by 8 is 8 with a remainder of 2.
Use 8 as the next digit of our solution. 
Result so far: 8.0
Deduct 64 from 66 and we're left with 2.
Include the next digit (9) from the dividend after 2, then repeat: 29 / 8

Advancing to step 3:
The number 8 fits into 29 3 times, leaving a remainder of 5.
The number 3 becomes the next digit in our result. 
Result so far: 83.0
If we subtract 24 from 29, we get 5.
Grab the next digit (3) from the dividend, add it to 5, then carry on: 53 / 8

Step 4:
The number 8 fits into 53 6 times, leaving a remainder of 5.
Put 6 as the next digit of the answer. 
Result so far: 836.0
The remainder is 5 after subtracting 48 from 53.
Include the next digit (8) from the dividend after 5, then repeat: 58 / 8

Advancing to step 5:
If we divide 58 by 8, we get 7 and a remainder of 2.
Record the quotient 7 as the next digit in the result. 
Result so far: 8367.0
If we take 56 away from 58, we end up with 2.
Take the next digit (8) from the dividend and append it to 2, then repeat: 28 / 8

Step 6:
If we divide 28 by 8, we get 3 and a remainder of 4.
Record the quotient 3 as the next digit in the result. 
Result so far: 83673.0
Deduct 24 from 28 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Let's proceed to step 7:
8 goes into 40 5 times with a remainder of 0.
Put 5 as the next digit of the answer. 
Result so far: 83673.5
Deduct 40 from 40 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 8:
If we divide 0 by 8, we get 0 and a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 83673.5
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 9:
0 divided by 8 is 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 83673.5
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Our division results in 83673.5 with a remaining 0.0.