We're dividing 51942338 by 487 
We want to figure out the number of times 51942338 can be divided by 487.

On to step 1:
The number 487 fits into 5 0 times, leaving a remainder of 5.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Take the next digit (1) from the dividend and append it to 5, then repeat: 51 / 487

On to step 2:
The number 487 fits into 51 0 times, leaving a remainder of 51.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 51, we get 51.
Grab the next digit (9) from the dividend, add it to 51, then carry on: 519 / 487

Advancing to step 3:
The number 487 fits into 519 1 times, leaving a remainder of 32.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we take 487 away from 519, we end up with 32.
Grab the next digit (4) from the dividend, add it to 32, then carry on: 324 / 487

Going ahead to step 4:
When dividing 324 by 487, we get 0 with a remainder of 324.
Record the quotient 0 as the next digit in the result. 
Result so far: 10.0
The remainder is 324 after subtracting 0 from 324.
Append the next digit (2) from the dividend to 324 and continue with: 3242 / 487

Moving on to step 5:
3242 divided by 487 is 6 with a remainder of 320.
Use 6 as the next digit of our solution. 
Result so far: 106.0
The remainder is 320 after subtracting 2922 from 3242.
Include the next digit (3) from the dividend after 320, then repeat: 3203 / 487

Going ahead to step 6:
If we divide 3203 by 487, we get 6 and a remainder of 281.
The number 6 becomes the next digit in our result. 
Result so far: 1066.0
Deduct 2922 from 3203 and we're left with 281.
Fetch the next digit (3) from the dividend, attach it to 281 and continue: 2813 / 487

Let's proceed to step 7:
2813 divided by 487 is 5 with a remainder of 378.
The next digit of our result is 5. 
Result so far: 10665.0
Subtracting 2435 from 2813 leaves us with 378.
Append the next digit (8) from the dividend to 378 and continue with: 3788 / 487

Going ahead to step 8:
3788 divided by 487 is 7 with a remainder of 379.
Record the quotient 7 as the next digit in the result. 
Result so far: 106657.0
If we subtract 3409 from 3788, we get 379.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3790, and continue the process.

Advancing to step 9:
3790 divided by 487 is 7 with a remainder of 381.
The next digit of our result is 7. 
Result so far: 106657.7
Subtract 3409 from 3790 to get 381.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3810, and continue the process.

Going ahead to step 10:
When dividing 3810 by 487, we get 7 with a remainder of 401.
The next digit of our result is 7. 
Result so far: 106657.77
Subtracting 3409 from 3810 leaves us with 401.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4010, and continue the process.

The final result is 106657.77 with a remainder of 0.401.