We're dividing 66204435 by 996 
The aim is to understand the frequency of 996 in 66204435.

Step 1:
When dividing 6 by 996, we get 0 with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Grab the next digit (6) from the dividend, add it to 6, then carry on: 66 / 996

On to step 2:
If we divide 66 by 996, we get 0 and a remainder of 66.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 66 to get 66.
Include the next digit (2) from the dividend after 66, then repeat: 662 / 996

Advancing to step 3:
The number 996 fits into 662 0 times, leaving a remainder of 662.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 662 and we're left with 662.
Fetch the next digit (0) from the dividend, attach it to 662 and continue: 6620 / 996

Let's proceed to step 4:
The number 996 fits into 6620 6 times, leaving a remainder of 644.
Record the quotient 6 as the next digit in the result. 
Result so far: 6.0
Subtract 5976 from 6620 to get 644.
Take the next digit (4) from the dividend and append it to 644, then repeat: 6444 / 996

Going ahead to step 5:
6444 divided by 996 is 6 with a remainder of 468.
The next digit of our result is 6. 
Result so far: 66.0
Subtract 5976 from 6444 to get 468.
Bring next digit (4) of the dividend behind the 468 and repeat the process: 4684 / 996

Going ahead to step 6:
996 can be fit into 4684 4 times, resulting in a remainder of 700.
The next digit of our result is 4. 
Result so far: 664.0
Subtracting 3984 from 4684 leaves us with 700.
Fetch the next digit (3) from the dividend, attach it to 700 and continue: 7003 / 996

Moving on to step 7:
996 can be fit into 7003 7 times, resulting in a remainder of 31.
Use 7 as the next digit of our solution. 
Result so far: 6647.0
Deduct 6972 from 7003 and we're left with 31.
Take the next digit (5) from the dividend and append it to 31, then repeat: 315 / 996

Advancing to step 8:
If we divide 315 by 996, we get 0 and a remainder of 315.
The next digit of our result is 0. 
Result so far: 66470.0
Subtract 0 from 315 to get 315.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3150, and continue the process.

Let's proceed to step 9:
The number 996 fits into 3150 3 times, leaving a remainder of 162.
Write down 3 as next digit of the result. 
Result so far: 66470.3
Subtracting 2988 from 3150 leaves us with 162.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1620, and continue the process.

Step 10:
The number 996 fits into 1620 1 times, leaving a remainder of 624.
The number 1 becomes the next digit in our result. 
Result so far: 66470.31
If we subtract 996 from 1620, we get 624.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6240, and continue the process.

Let's proceed to step 11:
996 goes into 6240 6 times with a remainder of 264.
Write down 6 as next digit of the result. 
Result so far: 66470.316
If we subtract 5976 from 6240, we get 264.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2640, and continue the process.

Going ahead to step 12:
If we divide 2640 by 996, we get 2 and a remainder of 648.
Write down 2 as next digit of the result. 
Result so far: 66470.3162
The remainder is 648 after subtracting 1992 from 2640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6480, and continue the process.

Going ahead to step 13:
If we divide 6480 by 996, we get 6 and a remainder of 504.
Write down 6 as next digit of the result. 
Result so far: 66470.31626
The remainder is 504 after subtracting 5976 from 6480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5040, and continue the process.

Step 14:
If we divide 5040 by 996, we get 5 and a remainder of 60.
Put 5 as the next digit of the answer. 
Result so far: 66470.316265
Deduct 4980 from 5040 and we're left with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Step 15:
When dividing 600 by 996, we get 0 with a remainder of 600.
Record the quotient 0 as the next digit in the result. 
Result so far: 66470.316265
The remainder is 600 after subtracting 0 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6000, and continue the process.

Step 16:
The number 996 fits into 6000 6 times, leaving a remainder of 24.
The number 6 becomes the next digit in our result. 
Result so far: 66470.31626506
Deduct 5976 from 6000 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.

Our division results in 66470.31626506 with a remaining 2.4e-08.