We look at the division of 861950 by 42 
We're looking to find how many times 42 goes into 861950.

On to step 1:
The number 42 fits into 8 0 times, leaving a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Grab the next digit (6) from the dividend, add it to 8, then carry on: 86 / 42

On to step 2:
The number 42 fits into 86 2 times, leaving a remainder of 2.
The next digit of our result is 2. 
Result so far: 2.0
If we take 84 away from 86, we end up with 2.
Fetch the next digit (1) from the dividend, attach it to 2 and continue: 21 / 42

Advancing to step 3:
42 can be fit into 21 0 times, resulting in a remainder of 21.
Write down 0 as next digit of the result. 
Result so far: 20.0
Subtract 0 from 21 to get 21.
Append the next digit (9) from the dividend to 21 and continue with: 219 / 42

Let's proceed to step 4:
42 goes into 219 5 times with a remainder of 9.
Use 5 as the next digit of our solution. 
Result so far: 205.0
Subtract 210 from 219 to get 9.
Fetch the next digit (5) from the dividend, attach it to 9 and continue: 95 / 42

Step 5:
When dividing 95 by 42, we get 2 with a remainder of 11.
The number 2 becomes the next digit in our result. 
Result so far: 2052.0
The remainder is 11 after subtracting 84 from 95.
Fetch the next digit (0) from the dividend, attach it to 11 and continue: 110 / 42

On to step 6:
When dividing 110 by 42, we get 2 with a remainder of 26.
Use 2 as the next digit of our solution. 
Result so far: 20522.0
Deduct 84 from 110 and we're left 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 7:
If we divide 260 by 42, we get 6 and a remainder of 8.
The next digit of our result is 6. 
Result so far: 20522.6
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.

Step 8:
If we divide 80 by 42, we get 1 and a remainder of 38.
Write down 1 as next digit of the result. 
Result so far: 20522.61
The remainder is 38 after subtracting 42 from 80.
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.
Use 9 as the next digit of our solution. 
Result so far: 20522.619
The remainder is 2 after subtracting 378 from 380.
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:
20 divided by 42 is 0 with a remainder of 20.
Write down 0 as next digit of the result. 
Result so far: 20522.619
If we take 0 away from 20, we end up 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.

On to step 11:
If we divide 200 by 42, we get 4 and a remainder of 32.
The number 4 becomes the next digit in our result. 
Result so far: 20522.61904
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.

On to step 12:
The number 42 fits into 320 7 times, leaving a remainder of 26.
Write down 7 as next digit of the result. 
Result so far: 20522.619047
The remainder is 26 after subtracting 294 from 320.
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:
260 divided by 42 is 6 with a remainder of 8.
The next digit of our result is 6. 
Result so far: 20522.6190476
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.

Moving on to step 14:
The number 42 fits into 80 1 times, leaving a remainder of 38.
Record the quotient 1 as the next digit in the result. 
Result so far: 20522.61904761
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.

The final outcome is 20522.61904761, with a leftover of 3.8e-08.