We divide 10939645 by 399
We want to figure out the number of times 10939645 can be divided by 399.

Moving on to step 1:
1 divided by 399 is 0 with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Take the next digit (0) from the dividend and append it to 1, then repeat: 10 / 399

Step 2:
If we divide 10 by 399, we get 0 and a remainder of 10.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 10 to get 10.
Fetch the next digit (9) from the dividend, attach it to 10 and continue: 109 / 399

On to step 3:
The number 399 fits into 109 0 times, leaving a remainder of 109.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 109 to get 109.
Take the next digit (3) from the dividend and append it to 109, then repeat: 1093 / 399

Advancing to step 4:
The number 399 fits into 1093 2 times, leaving a remainder of 295.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
If we take 798 away from 1093, we end up with 295.
Grab the next digit (9) from the dividend, add it to 295, then carry on: 2959 / 399

Let's proceed to step 5:
When dividing 2959 by 399, we get 7 with a remainder of 166.
The next digit of our result is 7. 
Result so far: 27.0
Subtract 2793 from 2959 to get 166.
Fetch the next digit (6) from the dividend, attach it to 166 and continue: 1666 / 399

Let's proceed to step 6:
399 goes into 1666 4 times with a remainder of 70.
Record the quotient 4 as the next digit in the result. 
Result so far: 274.0
The remainder is 70 after subtracting 1596 from 1666.
Include the next digit (4) from the dividend after 70, then repeat: 704 / 399

On to step 7:
If we divide 704 by 399, we get 1 and a remainder of 305.
Write down 1 as next digit of the result. 
Result so far: 2741.0
The remainder is 305 after subtracting 399 from 704.
Grab the next digit (5) from the dividend, add it to 305, then carry on: 3055 / 399

Moving on to step 8:
3055 divided by 399 is 7 with a remainder of 262.
Put 7 as the next digit of the answer. 
Result so far: 27417.0
Subtract 2793 from 3055 to get 262.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2620, and continue the process.

Let's proceed to step 9:
The number 399 fits into 2620 6 times, leaving a remainder of 226.
Write down 6 as next digit of the result. 
Result so far: 27417.6
If we take 2394 away from 2620, we end up with 226.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2260, and continue the process.

Step 10:
2260 divided by 399 is 5 with a remainder of 265.
Put 5 as the next digit of the answer. 
Result so far: 27417.65
Subtract 1995 from 2260 to get 265.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2650, and continue the process.

Let's proceed to step 11:
399 goes into 2650 6 times with a remainder of 256.
Record the quotient 6 as the next digit in the result. 
Result so far: 27417.656
If we take 2394 away from 2650, we end up with 256.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

Moving on to step 12:
The number 399 fits into 2560 6 times, leaving a remainder of 166.
Use 6 as the next digit of our solution. 
Result so far: 27417.6566
Subtract 2394 from 2560 to get 166.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1660, and continue the process.

In conclusion, the division gives 27417.6566 with a balance of 0.00166.