Let's divide 519933 by 91
The aim is to understand the frequency of 91 in 519933.

On to step 1:
91 can be fit into 5 0 times, resulting in a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Append the next digit (1) from the dividend to 5 and continue with: 51 / 91

Step 2:
The number 91 fits into 51 0 times, leaving a remainder of 51.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 51, we get 51.
Fetch the next digit (9) from the dividend, attach it to 51 and continue: 519 / 91

Step 3:
91 goes into 519 5 times with a remainder of 64.
Use 5 as the next digit of our solution. 
Result so far: 5.0
Subtract 455 from 519 to get 64.
Append the next digit (9) from the dividend to 64 and continue with: 649 / 91

Moving on to step 4:
The number 91 fits into 649 7 times, leaving a remainder of 12.
The number 7 becomes the next digit in our result. 
Result so far: 57.0
If we subtract 637 from 649, we get 12.
Bring next digit (3) of the dividend behind the 12 and repeat the process: 123 / 91

Advancing to step 5:
91 goes into 123 1 times with a remainder of 32.
Write down 1 as next digit of the result. 
Result so far: 571.0
Subtracting 91 from 123 leaves us with 32.
Grab the next digit (3) from the dividend, add it to 32, then carry on: 323 / 91

On to step 6:
The number 91 fits into 323 3 times, leaving a remainder of 50.
The next digit of our result is 3. 
Result so far: 5713.0
Deduct 273 from 323 and we're left with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 7:
91 can be fit into 500 5 times, resulting in a remainder of 45.
The next digit of our result is 5. 
Result so far: 5713.5
The remainder is 45 after subtracting 455 from 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Going ahead to step 8:
91 goes into 450 4 times with a remainder of 86.
Use 4 as the next digit of our solution. 
Result so far: 5713.54
If we take 364 away from 450, we end up with 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

Step 9:
91 can be fit into 860 9 times, resulting in a remainder of 41.
Record the quotient 9 as the next digit in the result. 
Result so far: 5713.549
If we subtract 819 from 860, we get 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Moving on to step 10:
410 divided by 91 is 4 with a remainder of 46.
Write down 4 as next digit of the result. 
Result so far: 5713.5494
The remainder is 46 after subtracting 364 from 410.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Moving on to step 11:
The number 91 fits into 460 5 times, leaving a remainder of 5.
The next digit of our result is 5. 
Result so far: 5713.54945
The remainder is 5 after subtracting 455 from 460.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Going ahead to step 12:
The number 91 fits into 50 0 times, leaving a remainder of 50.
The next digit of our result is 0. 
Result so far: 5713.54945
Subtract 0 from 50 to get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Moving on to step 13:
The number 91 fits into 500 5 times, leaving a remainder of 45.
Write down 5 as next digit of the result. 
Result so far: 5713.5494505
If we subtract 455 from 500, we get 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Advancing to step 14:
When dividing 450 by 91, we get 4 with a remainder of 86.
The number 4 becomes the next digit in our result. 
Result so far: 5713.54945054
If we subtract 364 from 450, we get 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

In conclusion, the division gives 5713.54945054 with a balance of 8.6e-08.