49081 ÷ 91 
The aim is to understand the frequency of 91 in 49081.

Step 1:
When dividing 4 by 91, we get 0 with a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 4 after subtracting 0 from 4.
Include the next digit (9) from the dividend after 4, then repeat: 49 / 91

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.
Append the next digit (0) from the dividend to 49 and continue with: 490 / 91

Advancing to step 3:
490 divided by 91 is 5 with a remainder of 35.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
Subtract 455 from 490 to get 35.
Bring next digit (8) of the dividend behind the 35 and repeat the process: 358 / 91

Moving on to step 4:
When dividing 358 by 91, we get 3 with a remainder of 85.
Write down 3 as next digit of the result. 
Result so far: 53.0
Subtracting 273 from 358 leaves us with 85.
Bring next digit (1) of the dividend behind the 85 and repeat the process: 851 / 91

Going ahead to step 5:
The number 91 fits into 851 9 times, leaving a remainder of 32.
The next digit of our result is 9. 
Result so far: 539.0
The remainder is 32 after subtracting 819 from 851.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Moving on to step 6:
The number 91 fits into 320 3 times, leaving a remainder of 47.
The next digit of our result is 3. 
Result so far: 539.3
Subtract 273 from 320 to get 47.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

Moving on to step 7:
When dividing 470 by 91, we get 5 with a remainder of 15.
Put 5 as the next digit of the answer. 
Result so far: 539.35
If we take 455 away from 470, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Advancing to step 8:
When dividing 150 by 91, we get 1 with a remainder of 59.
Record the quotient 1 as the next digit in the result. 
Result so far: 539.351
Deduct 91 from 150 and we're left with 59.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

Going ahead to step 9:
590 divided by 91 is 6 with a remainder of 44.
The number 6 becomes the next digit in our result. 
Result so far: 539.3516
Deduct 546 from 590 and we're left with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Moving on to step 10:
The number 91 fits into 440 4 times, leaving a remainder of 76.
Write down 4 as next digit of the result. 
Result so far: 539.35164
Deduct 364 from 440 and we're left with 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

Let's proceed to step 11:
When dividing 760 by 91, we get 8 with a remainder of 32.
The next digit of our result is 8. 
Result so far: 539.351648
If we subtract 728 from 760, we 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.

Let's proceed to step 12:
91 can be fit into 320 3 times, resulting in a remainder of 47.
The next digit of our result is 3. 
Result so far: 539.3516483
Subtracting 273 from 320 leaves us with 47.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

Let's proceed to step 13:
470 divided by 91 is 5 with a remainder of 15.
Use 5 as the next digit of our solution. 
Result so far: 539.35164835
If we take 455 away from 470, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

The final outcome is 539.35164835, with a leftover of 1.5e-08.