87930813 ÷ 457 
We want to figure out the number of times 87930813 can be divided by 457.

Advancing to step 1:
When dividing 8 by 457, we get 0 with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Include the next digit (7) from the dividend after 8, then repeat: 87 / 457

Step 2:
When dividing 87 by 457, we get 0 with a remainder of 87.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 87 and we're left with 87.
Grab the next digit (9) from the dividend, add it to 87, then carry on: 879 / 457

Let's proceed to step 3:
879 divided by 457 is 1 with a remainder of 422.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we take 457 away from 879, we end up with 422.
Append the next digit (3) from the dividend to 422 and continue with: 4223 / 457

Advancing to step 4:
457 goes into 4223 9 times with a remainder of 110.
Put 9 as the next digit of the answer. 
Result so far: 19.0
The remainder is 110 after subtracting 4113 from 4223.
Grab the next digit (0) from the dividend, add it to 110, then carry on: 1100 / 457

Advancing to step 5:
457 goes into 1100 2 times with a remainder of 186.
Put 2 as the next digit of the answer. 
Result so far: 192.0
The remainder is 186 after subtracting 914 from 1100.
Include the next digit (8) from the dividend after 186, then repeat: 1868 / 457

Advancing to step 6:
When dividing 1868 by 457, we get 4 with a remainder of 40.
The next digit of our result is 4. 
Result so far: 1924.0
Subtracting 1828 from 1868 leaves us with 40.
Fetch the next digit (1) from the dividend, attach it to 40 and continue: 401 / 457

Step 7:
When dividing 401 by 457, we get 0 with a remainder of 401.
Write down 0 as next digit of the result. 
Result so far: 19240.0
The remainder is 401 after subtracting 0 from 401.
Include the next digit (3) from the dividend after 401, then repeat: 4013 / 457

Step 8:
The number 457 fits into 4013 8 times, leaving a remainder of 357.
Use 8 as the next digit of our solution. 
Result so far: 192408.0
The remainder is 357 after subtracting 3656 from 4013.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3570, and continue the process.

Advancing to step 9:
When dividing 3570 by 457, we get 7 with a remainder of 371.
Put 7 as the next digit of the answer. 
Result so far: 192408.7
If we subtract 3199 from 3570, we get 371.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3710, and continue the process.

Going ahead to step 10:
457 goes into 3710 8 times with a remainder of 54.
Write down 8 as next digit of the result. 
Result so far: 192408.78
The remainder is 54 after subtracting 3656 from 3710.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

On to step 11:
When dividing 540 by 457, we get 1 with a remainder of 83.
Put 1 as the next digit of the answer. 
Result so far: 192408.781
Subtracting 457 from 540 leaves us with 83.
Since there are no more digits in the dividend, we add a zero to the remainder making it 830, and continue the process.

On to step 12:
If we divide 830 by 457, we get 1 and a remainder of 373.
The number 1 becomes the next digit in our result. 
Result so far: 192408.7811
The remainder is 373 after subtracting 457 from 830.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3730, and continue the process.

The final outcome is 192408.7811, with a leftover of 0.00373.