We're dividing 991257 by 65 
The aim is to understand the frequency of 65 in 991257.

Step 1:
65 goes into 9 0 times with a remainder of 9.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 9 after subtracting 0 from 9.
Bring next digit (9) of the dividend behind the 9 and repeat the process: 99 / 65

Advancing to step 2:
65 goes into 99 1 times with a remainder of 34.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtracting 65 from 99 leaves us with 34.
Include the next digit (1) from the dividend after 34, then repeat: 341 / 65

Going ahead to step 3:
65 can be fit into 341 5 times, resulting in a remainder of 16.
Write down 5 as next digit of the result. 
Result so far: 15.0
Subtract 325 from 341 to get 16.
Append the next digit (2) from the dividend to 16 and continue with: 162 / 65

Moving on to step 4:
65 goes into 162 2 times with a remainder of 32.
The next digit of our result is 2. 
Result so far: 152.0
If we take 130 away from 162, we end up with 32.
Grab the next digit (5) from the dividend, add it to 32, then carry on: 325 / 65

Moving on to step 5:
If we divide 325 by 65, we get 5 and a remainder of 0.
Put 5 as the next digit of the answer. 
Result so far: 1525.0
If we subtract 325 from 325, we get 0.
Grab the next digit (7) from the dividend, add it to 0, then carry on: 7 / 65

On to step 6:
65 can be fit into 7 0 times, resulting in a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 15250.0
Subtracting 0 from 7 leaves us 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.

Step 7:
When dividing 70 by 65, we get 1 with a remainder of 5.
Put 1 as the next digit of the answer. 
Result so far: 15250.1
Subtracting 65 from 70 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.

Advancing to step 8:
65 goes into 50 0 times with a remainder of 50.
Use 0 as the next digit of our solution. 
Result so far: 15250.1
If we take 0 away from 50, we end up 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.

On to step 9:
500 divided by 65 is 7 with a remainder of 45.
The next digit of our result is 7. 
Result so far: 15250.107
Subtract 455 from 500 to 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.

Moving on to step 10:
The number 65 fits into 450 6 times, leaving a remainder of 60.
The next digit of our result is 6. 
Result so far: 15250.1076
The remainder is 60 after subtracting 390 from 450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Moving on to step 11:
600 divided by 65 is 9 with a remainder of 15.
The next digit of our result is 9. 
Result so far: 15250.10769
If we subtract 585 from 600, we get 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Moving on to step 12:
150 divided by 65 is 2 with a remainder of 20.
Record the quotient 2 as the next digit in the result. 
Result so far: 15250.107692
Deduct 130 from 150 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Going ahead to step 13:
When dividing 200 by 65, we get 3 with a remainder of 5.
Use 3 as the next digit of our solution. 
Result so far: 15250.1076923
Subtract 195 from 200 to 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 14:
The number 65 fits into 50 0 times, leaving a remainder of 50.
Put 0 as the next digit of the answer. 
Result so far: 15250.1076923
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.

The final outcome is 15250.1076923, with a leftover of 5e-08.