We're dividing 498048 by 91 
The aim is to understand the frequency of 91 in 498048.

Moving on to step 1:
4 divided by 91 is 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 (9) from the dividend to 4 and continue with: 49 / 91

Advancing to step 2:
The number 91 fits into 49 0 times, leaving a remainder of 49.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 49 after subtracting 0 from 49.
Fetch the next digit (8) from the dividend, attach it to 49 and continue: 498 / 91

Advancing to step 3:
498 divided by 91 is 5 with a remainder of 43.
The next digit of our result is 5. 
Result so far: 5.0
If we take 455 away from 498, we end up with 43.
Fetch the next digit (0) from the dividend, attach it to 43 and continue: 430 / 91

On to step 4:
When dividing 430 by 91, we get 4 with a remainder of 66.
Use 4 as the next digit of our solution. 
Result so far: 54.0
If we subtract 364 from 430, we get 66.
Fetch the next digit (4) from the dividend, attach it to 66 and continue: 664 / 91

Let's proceed to step 5:
If we divide 664 by 91, we get 7 and a remainder of 27.
The number 7 becomes the next digit in our result. 
Result so far: 547.0
If we take 637 away from 664, we end up with 27.
Include the next digit (8) from the dividend after 27, then repeat: 278 / 91

On to step 6:
When dividing 278 by 91, we get 3 with a remainder of 5.
Put 3 as the next digit of the answer. 
Result so far: 5473.0
If we subtract 273 from 278, we get 5.
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 7:
50 divided by 91 is 0 with a remainder of 50.
Write down 0 as next digit of the result. 
Result so far: 5473.0
Subtracting 0 from 50 leaves us 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.

Advancing to step 8:
500 divided by 91 is 5 with a remainder of 45.
Write down 5 as next digit of the result. 
Result so far: 5473.05
Deduct 455 from 500 and we're left with 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 9:
When dividing 450 by 91, we get 4 with a remainder of 86.
Put 4 as the next digit of the answer. 
Result so far: 5473.054
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 10:
The number 91 fits into 860 9 times, leaving a remainder of 41.
Write down 9 as next digit of the result. 
Result so far: 5473.0549
Deduct 819 from 860 and we're left with 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 11:
The number 91 fits into 410 4 times, leaving a remainder of 46.
Use 4 as the next digit of our solution. 
Result so far: 5473.05494
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 12:
When dividing 460 by 91, we get 5 with a remainder of 5.
The next digit of our result is 5. 
Result so far: 5473.054945
Subtracting 455 from 460 leaves us with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Moving on to step 13:
91 can be fit into 50 0 times, resulting in a remainder of 50.
Use 0 as the next digit of our solution. 
Result so far: 5473.054945
Deduct 0 from 50 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.

Moving on to step 14:
When dividing 500 by 91, we get 5 with a remainder of 45.
The next digit of our result is 5. 
Result so far: 5473.05494505
If we take 455 away from 500, we end up with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

The final outcome is 5473.05494505, with a leftover of 4.5e-08.