We're dividing 12620830 by 86 
Let's see how many times 86 fits into 12620830.

Moving on to step 1:
86 goes into 1 0 times with a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Bring next digit (2) of the dividend behind the 1 and repeat the process: 12 / 86

Going ahead to step 2:
When dividing 12 by 86, we get 0 with a remainder of 12.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 12 leaves us with 12.
Grab the next digit (6) from the dividend, add it to 12, then carry on: 126 / 86

On to step 3:
If we divide 126 by 86, we get 1 and a remainder of 40.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we take 86 away from 126, we end up with 40.
Bring next digit (2) of the dividend behind the 40 and repeat the process: 402 / 86

Going ahead to step 4:
402 divided by 86 is 4 with a remainder of 58.
The number 4 becomes the next digit in our result. 
Result so far: 14.0
The remainder is 58 after subtracting 344 from 402.
Append the next digit (0) from the dividend to 58 and continue with: 580 / 86

Advancing to step 5:
580 divided by 86 is 6 with a remainder of 64.
The next digit of our result is 6. 
Result so far: 146.0
Subtract 516 from 580 to get 64.
Append the next digit (8) from the dividend to 64 and continue with: 648 / 86

Advancing to step 6:
The number 86 fits into 648 7 times, leaving a remainder of 46.
The next digit of our result is 7. 
Result so far: 1467.0
Deduct 602 from 648 and we're left with 46.
Include the next digit (3) from the dividend after 46, then repeat: 463 / 86

Let's proceed to step 7:
The number 86 fits into 463 5 times, leaving a remainder of 33.
The next digit of our result is 5. 
Result so far: 14675.0
If we subtract 430 from 463, we get 33.
Grab the next digit (0) from the dividend, add it to 33, then carry on: 330 / 86

On to step 8:
330 divided by 86 is 3 with a remainder of 72.
The next digit of our result is 3. 
Result so far: 146753.0
Subtracting 258 from 330 leaves us with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Step 9:
86 goes into 720 8 times with a remainder of 32.
The number 8 becomes the next digit in our result. 
Result so far: 146753.8
Subtract 688 from 720 to get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Step 10:
When dividing 320 by 86, we get 3 with a remainder of 62.
The next digit of our result is 3. 
Result so far: 146753.83
If we subtract 258 from 320, we get 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Let's proceed to step 11:
When dividing 620 by 86, we get 7 with a remainder of 18.
Use 7 as the next digit of our solution. 
Result so far: 146753.837
Subtract 602 from 620 to get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Let's proceed to step 12:
180 divided by 86 is 2 with a remainder of 8.
Put 2 as the next digit of the answer. 
Result so far: 146753.8372
Deduct 172 from 180 and we're left with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Going ahead to step 13:
The number 86 fits into 80 0 times, leaving a remainder of 80.
Use 0 as the next digit of our solution. 
Result so far: 146753.8372
Subtracting 0 from 80 leaves us with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

On to step 14:
86 goes into 800 9 times with a remainder of 26.
Put 9 as the next digit of the answer. 
Result so far: 146753.837209
Subtracting 774 from 800 leaves us with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Advancing to step 15:
The number 86 fits into 260 3 times, leaving a remainder of 2.
Put 3 as the next digit of the answer. 
Result so far: 146753.8372093
The remainder is 2 after subtracting 258 from 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Going ahead to step 16:
86 goes into 20 0 times with a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 146753.8372093
Subtracting 0 from 20 leaves us with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

After the division, we end up with 146753.8372093 and a remainder of 2e-08.