Let's divide 439815 by 99
We want to figure out the number of times 439815 can be divided by 99.

On to step 1:
When dividing 4 by 99, we get 0 with a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 4 after subtracting 0 from 4.
Append the next digit (3) from the dividend to 4 and continue with: 43 / 99

Advancing to step 2:
43 divided by 99 is 0 with a remainder of 43.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 43, we end up with 43.
Fetch the next digit (9) from the dividend, attach it to 43 and continue: 439 / 99

Moving on to step 3:
439 divided by 99 is 4 with a remainder of 43.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
If we subtract 396 from 439, we get 43.
Grab the next digit (8) from the dividend, add it to 43, then carry on: 438 / 99

Moving on to step 4:
The number 99 fits into 438 4 times, leaving a remainder of 42.
Put 4 as the next digit of the answer. 
Result so far: 44.0
Deduct 396 from 438 and we're left with 42.
Fetch the next digit (1) from the dividend, attach it to 42 and continue: 421 / 99

Let's proceed to step 5:
When dividing 421 by 99, we get 4 with a remainder of 25.
The number 4 becomes the next digit in our result. 
Result so far: 444.0
If we subtract 396 from 421, we get 25.
Append the next digit (5) from the dividend to 25 and continue with: 255 / 99

Going ahead to step 6:
99 can be fit into 255 2 times, resulting in a remainder of 57.
The number 2 becomes the next digit in our result. 
Result so far: 4442.0
The remainder is 57 after subtracting 198 from 255.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

On to step 7:
The number 99 fits into 570 5 times, leaving a remainder of 75.
Put 5 as the next digit of the answer. 
Result so far: 4442.5
If we take 495 away from 570, we end up with 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Step 8:
The number 99 fits into 750 7 times, leaving a remainder of 57.
The number 7 becomes the next digit in our result. 
Result so far: 4442.57
If we subtract 693 from 750, we get 57.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

Moving on to step 9:
The number 99 fits into 570 5 times, leaving a remainder of 75.
Write down 5 as next digit of the result. 
Result so far: 4442.575
If we subtract 495 from 570, we get 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Moving on to step 10:
When dividing 750 by 99, we get 7 with a remainder of 57.
The next digit of our result is 7. 
Result so far: 4442.5757
The remainder is 57 after subtracting 693 from 750.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

Going ahead to step 11:
If we divide 570 by 99, we get 5 and a remainder of 75.
Record the quotient 5 as the next digit in the result. 
Result so far: 4442.57575
The remainder is 75 after subtracting 495 from 570.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Let's proceed to step 12:
99 goes into 750 7 times with a remainder of 57.
The next digit of our result is 7. 
Result so far: 4442.575757
If we subtract 693 from 750, we get 57.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

Advancing to step 13:
When dividing 570 by 99, we get 5 with a remainder of 75.
The next digit of our result is 5. 
Result so far: 4442.5757575
Subtract 495 from 570 to get 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Let's proceed to step 14:
99 goes into 750 7 times with a remainder of 57.
Use 7 as the next digit of our solution. 
Result so far: 4442.57575757
The remainder is 57 after subtracting 693 from 750.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

The final result is 4442.57575757 with a remainder of 5.7e-08.