We divide 339406 by 86
Our goal is to divide 339406 by 86.

Going ahead to step 1:
86 can be fit into 3 0 times, resulting in a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Grab the next digit (3) from the dividend, add it to 3, then carry on: 33 / 86

Let's proceed to step 2:
The number 86 fits into 33 0 times, leaving a remainder of 33.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 33, we end up with 33.
Include the next digit (9) from the dividend after 33, then repeat: 339 / 86

Step 3:
339 divided by 86 is 3 with a remainder of 81.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
If we subtract 258 from 339, we get 81.
Include the next digit (4) from the dividend after 81, then repeat: 814 / 86

Moving on to step 4:
The number 86 fits into 814 9 times, leaving a remainder of 40.
Write down 9 as next digit of the result. 
Result so far: 39.0
If we take 774 away from 814, we end up with 40.
Bring next digit (0) of the dividend behind the 40 and repeat the process: 400 / 86

Step 5:
86 goes into 400 4 times with a remainder of 56.
Use 4 as the next digit of our solution. 
Result so far: 394.0
Deduct 344 from 400 and we're left with 56.
Include the next digit (6) from the dividend after 56, then repeat: 566 / 86

Step 6:
86 can be fit into 566 6 times, resulting in a remainder of 50.
Put 6 as the next digit of the answer. 
Result so far: 3946.0
Subtract 516 from 566 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.

Step 7:
500 divided by 86 is 5 with a remainder of 70.
The next digit of our result is 5. 
Result so far: 3946.5
The remainder is 70 after subtracting 430 from 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Step 8:
86 can be fit into 700 8 times, resulting in a remainder of 12.
The next digit of our result is 8. 
Result so far: 3946.58
If we take 688 away from 700, we end up with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Going ahead to step 9:
The number 86 fits into 120 1 times, leaving a remainder of 34.
The number 1 becomes the next digit in our result. 
Result so far: 3946.581
If we take 86 away from 120, we end up with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Going ahead to step 10:
The number 86 fits into 340 3 times, leaving a remainder of 82.
The number 3 becomes the next digit in our result. 
Result so far: 3946.5813
The remainder is 82 after subtracting 258 from 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 820, and continue the process.

Step 11:
820 divided by 86 is 9 with a remainder of 46.
Record the quotient 9 as the next digit in the result. 
Result so far: 3946.58139
Subtracting 774 from 820 leaves us with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Let's proceed to step 12:
460 divided by 86 is 5 with a remainder of 30.
Use 5 as the next digit of our solution. 
Result so far: 3946.581395
If we subtract 430 from 460, we get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

On to step 13:
86 goes into 300 3 times with a remainder of 42.
The next digit of our result is 3. 
Result so far: 3946.5813953
The remainder is 42 after subtracting 258 from 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Going ahead to step 14:
The number 86 fits into 420 4 times, leaving a remainder of 76.
Put 4 as the next digit of the answer. 
Result so far: 3946.58139534
Deduct 344 from 420 and we're left with 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

After the division, we end up with 3946.58139534 and a remainder of 7.6e-08.