239793 ÷ 86 
We want to figure out the number of times 239793 can be divided by 86.

Going ahead to step 1:
2 divided by 86 is 0 with a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 2 and we're left with 2.
Fetch the next digit (3) from the dividend, attach it to 2 and continue: 23 / 86

Step 2:
86 can be fit into 23 0 times, resulting in a remainder of 23.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 23 to get 23.
Include the next digit (9) from the dividend after 23, then repeat: 239 / 86

Step 3:
If we divide 239 by 86, we get 2 and a remainder of 67.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
The remainder is 67 after subtracting 172 from 239.
Bring next digit (7) of the dividend behind the 67 and repeat the process: 677 / 86

On to step 4:
If we divide 677 by 86, we get 7 and a remainder of 75.
Use 7 as the next digit of our solution. 
Result so far: 27.0
Deduct 602 from 677 and we're left with 75.
Bring next digit (9) of the dividend behind the 75 and repeat the process: 759 / 86

On to step 5:
86 can be fit into 759 8 times, resulting in a remainder of 71.
The number 8 becomes the next digit in our result. 
Result so far: 278.0
If we subtract 688 from 759, we get 71.
Bring next digit (3) of the dividend behind the 71 and repeat the process: 713 / 86

Moving on to step 6:
If we divide 713 by 86, we get 8 and a remainder of 25.
The next digit of our result is 8. 
Result so far: 2788.0
Deduct 688 from 713 and we're left with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Moving on to step 7:
86 goes into 250 2 times with a remainder of 78.
Record the quotient 2 as the next digit in the result. 
Result so far: 2788.2
Deduct 172 from 250 and we're left with 78.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

Advancing to step 8:
If we divide 780 by 86, we get 9 and a remainder of 6.
Write down 9 as next digit of the result. 
Result so far: 2788.29
Deduct 774 from 780 and we're left with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 9:
When dividing 60 by 86, we get 0 with a remainder of 60.
Put 0 as the next digit of the answer. 
Result so far: 2788.29
If we subtract 0 from 60, we get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Moving on to step 10:
600 divided by 86 is 6 with a remainder of 84.
Use 6 as the next digit of our solution. 
Result so far: 2788.2906
Deduct 516 from 600 and we're left with 84.
Since there are no more digits in the dividend, we add a zero to the remainder making it 840, and continue the process.

Step 11:
When dividing 840 by 86, we get 9 with a remainder of 66.
Write down 9 as next digit of the result. 
Result so far: 2788.29069
If we take 774 away from 840, we end up with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Advancing to step 12:
86 can be fit into 660 7 times, resulting in a remainder of 58.
Use 7 as the next digit of our solution. 
Result so far: 2788.290697
Subtracting 602 from 660 leaves us with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Let's proceed to step 13:
580 divided by 86 is 6 with a remainder of 64.
The number 6 becomes the next digit in our result. 
Result so far: 2788.2906976
Subtracting 516 from 580 leaves us with 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Step 14:
86 goes into 640 7 times with a remainder of 38.
The number 7 becomes the next digit in our result. 
Result so far: 2788.29069767
If we take 602 away from 640, we end up with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

The final outcome is 2788.29069767, with a leftover of 3.8e-08.