We divide 12709255 by 399
Let's see how many times 399 fits into 12709255.

Going ahead to step 1:
If we divide 1 by 399, we get 0 and a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Bring next digit (2) of the dividend behind the 1 and repeat the process: 12 / 399

Let's proceed to step 2:
12 divided by 399 is 0 with a remainder of 12.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 12 after subtracting 0 from 12.
Bring next digit (7) of the dividend behind the 12 and repeat the process: 127 / 399

Advancing to step 3:
127 divided by 399 is 0 with a remainder of 127.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 127, we get 127.
Take the next digit (0) from the dividend and append it to 127, then repeat: 1270 / 399

Let's proceed to step 4:
399 can be fit into 1270 3 times, resulting in a remainder of 73.
The next digit of our result is 3. 
Result so far: 3.0
Subtracting 1197 from 1270 leaves us with 73.
Bring next digit (9) of the dividend behind the 73 and repeat the process: 739 / 399

Going ahead to step 5:
399 can be fit into 739 1 times, resulting in a remainder of 340.
Put 1 as the next digit of the answer. 
Result so far: 31.0
The remainder is 340 after subtracting 399 from 739.
Bring next digit (2) of the dividend behind the 340 and repeat the process: 3402 / 399

On to step 6:
399 goes into 3402 8 times with a remainder of 210.
Write down 8 as next digit of the result. 
Result so far: 318.0
Deduct 3192 from 3402 and we're left with 210.
Take the next digit (5) from the dividend and append it to 210, then repeat: 2105 / 399

Let's proceed to step 7:
399 goes into 2105 5 times with a remainder of 110.
The number 5 becomes the next digit in our result. 
Result so far: 3185.0
Deduct 1995 from 2105 and we're left with 110.
Append the next digit (5) from the dividend to 110 and continue with: 1105 / 399

Let's proceed to step 8:
When dividing 1105 by 399, we get 2 with a remainder of 307.
Use 2 as the next digit of our solution. 
Result so far: 31852.0
If we subtract 798 from 1105, we get 307.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3070, and continue the process.

On to step 9:
When dividing 3070 by 399, we get 7 with a remainder of 277.
Record the quotient 7 as the next digit in the result. 
Result so far: 31852.7
The remainder is 277 after subtracting 2793 from 3070.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2770, and continue the process.

Let's proceed to step 10:
399 goes into 2770 6 times with a remainder of 376.
Use 6 as the next digit of our solution. 
Result so far: 31852.76
Subtract 2394 from 2770 to get 376.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3760, and continue the process.

Advancing to step 11:
399 goes into 3760 9 times with a remainder of 169.
Use 9 as the next digit of our solution. 
Result so far: 31852.769
The remainder is 169 after subtracting 3591 from 3760.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1690, and continue the process.

Let's proceed to step 12:
If we divide 1690 by 399, we get 4 and a remainder of 94.
Record the quotient 4 as the next digit in the result. 
Result so far: 31852.7694
Deduct 1596 from 1690 and we're left with 94.
Since there are no more digits in the dividend, we add a zero to the remainder making it 940, and continue the process.

Going ahead to step 13:
940 divided by 399 is 2 with a remainder of 142.
Record the quotient 2 as the next digit in the result. 
Result so far: 31852.76942
The remainder is 142 after subtracting 798 from 940.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1420, and continue the process.

Going ahead to step 14:
The number 399 fits into 1420 3 times, leaving a remainder of 223.
Record the quotient 3 as the next digit in the result. 
Result so far: 31852.769423
The remainder is 223 after subtracting 1197 from 1420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2230, and continue the process.

Moving on to step 15:
When dividing 2230 by 399, we get 5 with a remainder of 235.
The next digit of our result is 5. 
Result so far: 31852.7694235
Subtract 1995 from 2230 to get 235.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2350, and continue the process.

Let's proceed to step 16:
If we divide 2350 by 399, we get 5 and a remainder of 355.
The next digit of our result is 5. 
Result so far: 31852.76942355
If we subtract 1995 from 2350, we get 355.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3550, and continue the process.

The quotient of the division is 31852.76942355, and the remainder is 3.55e-07.