255888 ÷ 42 
We're looking to find how many times 42 goes into 255888.

Step 1:
42 can be fit into 2 0 times, resulting in a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Fetch the next digit (5) from the dividend, attach it to 2 and continue: 25 / 42

Advancing to step 2:
When dividing 25 by 42, we get 0 with a remainder of 25.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 25 leaves us with 25.
Fetch the next digit (5) from the dividend, attach it to 25 and continue: 255 / 42

On to step 3:
When dividing 255 by 42, we get 6 with a remainder of 3.
Use 6 as the next digit of our solution. 
Result so far: 6.0
The remainder is 3 after subtracting 252 from 255.
Fetch the next digit (8) from the dividend, attach it to 3 and continue: 38 / 42

On to step 4:
The number 42 fits into 38 0 times, leaving a remainder of 38.
The number 0 becomes the next digit in our result. 
Result so far: 60.0
Deduct 0 from 38 and we're left with 38.
Take the next digit (8) from the dividend and append it to 38, then repeat: 388 / 42

Let's proceed to step 5:
The number 42 fits into 388 9 times, leaving a remainder of 10.
Record the quotient 9 as the next digit in the result. 
Result so far: 609.0
If we take 378 away from 388, we end up with 10.
Grab the next digit (8) from the dividend, add it to 10, then carry on: 108 / 42

Step 6:
42 can be fit into 108 2 times, resulting in a remainder of 24.
Record the quotient 2 as the next digit in the result. 
Result so far: 6092.0
If we take 84 away from 108, we end up with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Advancing to step 7:
42 can be fit into 240 5 times, resulting in a remainder of 30.
The next digit of our result is 5. 
Result so far: 6092.5
If we take 210 away from 240, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Going ahead to step 8:
42 can be fit into 300 7 times, resulting in a remainder of 6.
The next digit of our result is 7. 
Result so far: 6092.57
If we take 294 away from 300, we end up 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.

Moving on to step 9:
When dividing 60 by 42, we get 1 with a remainder of 18.
The number 1 becomes the next digit in our result. 
Result so far: 6092.571
If we subtract 42 from 60, we 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 10:
42 goes into 180 4 times with a remainder of 12.
Write down 4 as next digit of the result. 
Result so far: 6092.5714
Subtracting 168 from 180 leaves us 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.

On to step 11:
42 goes into 120 2 times with a remainder of 36.
Write down 2 as next digit of the result. 
Result so far: 6092.57142
If we take 84 away from 120, we end up with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Moving on to step 12:
360 divided by 42 is 8 with a remainder of 24.
The next digit of our result is 8. 
Result so far: 6092.571428
Deduct 336 from 360 and we're left with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Moving on to step 13:
42 can be fit into 240 5 times, resulting in a remainder of 30.
Put 5 as the next digit of the answer. 
Result so far: 6092.5714285
Deduct 210 from 240 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Step 14:
The number 42 fits into 300 7 times, leaving a remainder of 6.
The next digit of our result is 7. 
Result so far: 6092.57142857
The remainder is 6 after subtracting 294 from 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

The quotient of the division is 6092.57142857, and the remainder is 6e-09.