941143 divided by 91 
The aim is to understand the frequency of 91 in 941143.

Step 1:
9 divided by 91 is 0 with a remainder of 9.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 9 and we're left with 9.
Append the next digit (4) from the dividend to 9 and continue with: 94 / 91

Advancing to step 2:
When dividing 94 by 91, we get 1 with a remainder of 3.
Put 1 as the next digit of the answer. 
Result so far: 1.0
The remainder is 3 after subtracting 91 from 94.
Take the next digit (1) from the dividend and append it to 3, then repeat: 31 / 91

Moving on to step 3:
31 divided by 91 is 0 with a remainder of 31.
Write down 0 as next digit of the result. 
Result so far: 10.0
The remainder is 31 after subtracting 0 from 31.
Bring next digit (1) of the dividend behind the 31 and repeat the process: 311 / 91

On to step 4:
91 goes into 311 3 times with a remainder of 38.
Put 3 as the next digit of the answer. 
Result so far: 103.0
If we take 273 away from 311, we end up with 38.
Fetch the next digit (4) from the dividend, attach it to 38 and continue: 384 / 91

Let's proceed to step 5:
91 goes into 384 4 times with a remainder of 20.
Put 4 as the next digit of the answer. 
Result so far: 1034.0
Subtract 364 from 384 to get 20.
Append the next digit (3) from the dividend to 20 and continue with: 203 / 91

Moving on to step 6:
If we divide 203 by 91, we get 2 and a remainder of 21.
Put 2 as the next digit of the answer. 
Result so far: 10342.0
The remainder is 21 after subtracting 182 from 203.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

On to step 7:
91 goes into 210 2 times with a remainder of 28.
The next digit of our result is 2. 
Result so far: 10342.2
Deduct 182 from 210 and we're left with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Moving on to step 8:
When dividing 280 by 91, we get 3 with a remainder of 7.
The number 3 becomes the next digit in our result. 
Result so far: 10342.23
Deduct 273 from 280 and we're left with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

On to step 9:
If we divide 70 by 91, we get 0 and a remainder of 70.
Use 0 as the next digit of our solution. 
Result so far: 10342.23
If we subtract 0 from 70, we get 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Step 10:
The number 91 fits into 700 7 times, leaving a remainder of 63.
The number 7 becomes the next digit in our result. 
Result so far: 10342.2307
The remainder is 63 after subtracting 637 from 700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

On to step 11:
630 divided by 91 is 6 with a remainder of 84.
The next digit of our result is 6. 
Result so far: 10342.23076
The remainder is 84 after subtracting 546 from 630.
Since there are no more digits in the dividend, we add a zero to the remainder making it 840, and continue the process.

Moving on to step 12:
If we divide 840 by 91, we get 9 and a remainder of 21.
Put 9 as the next digit of the answer. 
Result so far: 10342.230769
The remainder is 21 after subtracting 819 from 840.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Going ahead to step 13:
91 goes into 210 2 times with a remainder of 28.
Use 2 as the next digit of our solution. 
Result so far: 10342.2307692
Subtract 182 from 210 to get 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

On to step 14:
The number 91 fits into 280 3 times, leaving a remainder of 7.
The next digit of our result is 3. 
Result so far: 10342.23076923
The remainder is 7 after subtracting 273 from 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

In conclusion, the division gives 10342.23076923 with a balance of 7e-09.