91599585 divided by 443 
The aim is to understand the frequency of 443 in 91599585.

Let's proceed to step 1:
The number 443 fits into 9 0 times, leaving a remainder of 9.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 9, we end up with 9.
Grab the next digit (1) from the dividend, add it to 9, then carry on: 91 / 443

Advancing to step 2:
443 goes into 91 0 times with a remainder of 91.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 91, we get 91.
Append the next digit (5) from the dividend to 91 and continue with: 915 / 443

Step 3:
If we divide 915 by 443, we get 2 and a remainder of 29.
Put 2 as the next digit of the answer. 
Result so far: 2.0
The remainder is 29 after subtracting 886 from 915.
Fetch the next digit (9) from the dividend, attach it to 29 and continue: 299 / 443

Let's proceed to step 4:
When dividing 299 by 443, we get 0 with a remainder of 299.
Use 0 as the next digit of our solution. 
Result so far: 20.0
Subtract 0 from 299 to get 299.
Include the next digit (9) from the dividend after 299, then repeat: 2999 / 443

Step 5:
The number 443 fits into 2999 6 times, leaving a remainder of 341.
The next digit of our result is 6. 
Result so far: 206.0
Subtracting 2658 from 2999 leaves us with 341.
Grab the next digit (5) from the dividend, add it to 341, then carry on: 3415 / 443

On to step 6:
443 goes into 3415 7 times with a remainder of 314.
The next digit of our result is 7. 
Result so far: 2067.0
Deduct 3101 from 3415 and we're left with 314.
Bring next digit (8) of the dividend behind the 314 and repeat the process: 3148 / 443

Advancing to step 7:
3148 divided by 443 is 7 with a remainder of 47.
Record the quotient 7 as the next digit in the result. 
Result so far: 20677.0
The remainder is 47 after subtracting 3101 from 3148.
Fetch the next digit (5) from the dividend, attach it to 47 and continue: 475 / 443

Advancing to step 8:
443 can be fit into 475 1 times, resulting in a remainder of 32.
Use 1 as the next digit of our solution. 
Result so far: 206771.0
Subtract 443 from 475 to get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

On to step 9:
320 divided by 443 is 0 with a remainder of 320.
Put 0 as the next digit of the answer. 
Result so far: 206771.0
The remainder is 320 after subtracting 0 from 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

Step 10:
443 can be fit into 3200 7 times, resulting in a remainder of 99.
Record the quotient 7 as the next digit in the result. 
Result so far: 206771.07
Subtracting 3101 from 3200 leaves us with 99.
Since there are no more digits in the dividend, we add a zero to the remainder making it 990, and continue the process.

On to step 11:
When dividing 990 by 443, we get 2 with a remainder of 104.
Write down 2 as next digit of the result. 
Result so far: 206771.072
Subtract 886 from 990 to get 104.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Moving on to step 12:
1040 divided by 443 is 2 with a remainder of 154.
The next digit of our result is 2. 
Result so far: 206771.0722
If we subtract 886 from 1040, we get 154.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1540, and continue the process.

Our division results in 206771.0722 with a remaining 0.00154.