We look at the division of 686726 by 42 
We want to divide 686726 by 42.

Going ahead to step 1:
6 divided by 42 is 0 with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Bring next digit (8) of the dividend behind the 6 and repeat the process: 68 / 42

Going ahead to step 2:
42 goes into 68 1 times with a remainder of 26.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtracting 42 from 68 leaves us with 26.
Grab the next digit (6) from the dividend, add it to 26, then carry on: 266 / 42

Moving on to step 3:
When dividing 266 by 42, we get 6 with a remainder of 14.
The next digit of our result is 6. 
Result so far: 16.0
If we take 252 away from 266, we end up with 14.
Append the next digit (7) from the dividend to 14 and continue with: 147 / 42

Advancing to step 4:
147 divided by 42 is 3 with a remainder of 21.
The next digit of our result is 3. 
Result so far: 163.0
If we subtract 126 from 147, we get 21.
Append the next digit (2) from the dividend to 21 and continue with: 212 / 42

On to step 5:
212 divided by 42 is 5 with a remainder of 2.
The number 5 becomes the next digit in our result. 
Result so far: 1635.0
Deduct 210 from 212 and we're left with 2.
Include the next digit (6) from the dividend after 2, then repeat: 26 / 42

Moving on to step 6:
If we divide 26 by 42, we get 0 and a remainder of 26.
The next digit of our result is 0. 
Result so far: 16350.0
The remainder is 26 after subtracting 0 from 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

On to step 7:
260 divided by 42 is 6 with a remainder of 8.
Write down 6 as next digit of the result. 
Result so far: 16350.6
Deduct 252 from 260 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.

On to step 8:
42 can be fit into 80 1 times, resulting in a remainder of 38.
The next digit of our result is 1. 
Result so far: 16350.61
Deduct 42 from 80 and we're left 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.

Step 9:
When dividing 380 by 42, we get 9 with a remainder of 2.
Put 9 as the next digit of the answer. 
Result so far: 16350.619
Subtract 378 from 380 to get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 10:
The number 42 fits into 20 0 times, leaving a remainder of 20.
Write down 0 as next digit of the result. 
Result so far: 16350.619
The remainder is 20 after subtracting 0 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 11:
If we divide 200 by 42, we get 4 and a remainder of 32.
Use 4 as the next digit of our solution. 
Result so far: 16350.61904
If we take 168 away from 200, we end up with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Going ahead to step 12:
42 can be fit into 320 7 times, resulting in a remainder of 26.
The number 7 becomes the next digit in our result. 
Result so far: 16350.619047
Subtracting 294 from 320 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.

Moving on to step 13:
When dividing 260 by 42, we get 6 with a remainder of 8.
The number 6 becomes the next digit in our result. 
Result so far: 16350.6190476
The remainder is 8 after subtracting 252 from 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Step 14:
If we divide 80 by 42, we get 1 and a remainder of 38.
Put 1 as the next digit of the answer. 
Result so far: 16350.61904761
Subtracting 42 from 80 leaves us 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.

After the division, we end up with 16350.61904761 and a remainder of 3.8e-08.