We look at the division of 399680 by 55 
We're looking to find how many times 55 goes into 399680.

Moving on to step 1:
55 can be fit into 3 0 times, resulting in a remainder of 3.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Append the next digit (9) from the dividend to 3 and continue with: 39 / 55

Going ahead to step 2:
If we divide 39 by 55, we get 0 and a remainder of 39.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 39 to get 39.
Append the next digit (9) from the dividend to 39 and continue with: 399 / 55

Let's proceed to step 3:
55 goes into 399 7 times with a remainder of 14.
Record the quotient 7 as the next digit in the result. 
Result so far: 7.0
Subtracting 385 from 399 leaves us with 14.
Include the next digit (6) from the dividend after 14, then repeat: 146 / 55

Going ahead to step 4:
55 can be fit into 146 2 times, resulting in a remainder of 36.
The number 2 becomes the next digit in our result. 
Result so far: 72.0
If we take 110 away from 146, we end up with 36.
Append the next digit (8) from the dividend to 36 and continue with: 368 / 55

Going ahead to step 5:
The number 55 fits into 368 6 times, leaving a remainder of 38.
Record the quotient 6 as the next digit in the result. 
Result so far: 726.0
Subtracting 330 from 368 leaves us with 38.
Grab the next digit (0) from the dividend, add it to 38, then carry on: 380 / 55

On to step 6:
If we divide 380 by 55, we get 6 and a remainder of 50.
Use 6 as the next digit of our solution. 
Result so far: 7266.0
If we take 330 away from 380, we end up with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 7:
55 goes into 500 9 times with a remainder of 5.
Write down 9 as next digit of the result. 
Result so far: 7266.9
If we take 495 away from 500, we end up with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Moving on to step 8:
55 can be fit into 50 0 times, resulting in a remainder of 50.
The next digit of our result is 0. 
Result so far: 7266.9
Subtracting 0 from 50 leaves us with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

On to step 9:
When dividing 500 by 55, we get 9 with a remainder of 5.
Put 9 as the next digit of the answer. 
Result so far: 7266.909
If we subtract 495 from 500, 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.

Advancing to step 10:
50 divided by 55 is 0 with a remainder of 50.
Record the quotient 0 as the next digit in the result. 
Result so far: 7266.909
Subtract 0 from 50 to get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Moving on to step 11:
When dividing 500 by 55, we get 9 with a remainder of 5.
The next digit of our result is 9. 
Result so far: 7266.90909
If we take 495 away from 500, we end up with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Let's proceed to step 12:
55 can be fit into 50 0 times, resulting in a remainder of 50.
Record the quotient 0 as the next digit in the result. 
Result so far: 7266.90909
The remainder is 50 after subtracting 0 from 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Moving on to step 13:
The number 55 fits into 500 9 times, leaving a remainder of 5.
The next digit of our result is 9. 
Result so far: 7266.9090909
Subtracting 495 from 500 leaves us with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Going ahead to step 14:
55 can be fit into 50 0 times, resulting in a remainder of 50.
Use 0 as the next digit of our solution. 
Result so far: 7266.9090909
Subtracting 0 from 50 leaves us with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

The final result is 7266.9090909 with a remainder of 5e-08.