We divide 65960317 by 991
The aim is to understand the frequency of 991 in 65960317.

Moving on to step 1:
991 goes into 6 0 times with a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Grab the next digit (5) from the dividend, add it to 6, then carry on: 65 / 991

Going ahead to step 2:
991 can be fit into 65 0 times, resulting in a remainder of 65.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 65 to get 65.
Grab the next digit (9) from the dividend, add it to 65, then carry on: 659 / 991

Let's proceed to step 3:
The number 991 fits into 659 0 times, leaving a remainder of 659.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 659, we get 659.
Grab the next digit (6) from the dividend, add it to 659, then carry on: 6596 / 991

Advancing to step 4:
If we divide 6596 by 991, we get 6 and a remainder of 650.
Record the quotient 6 as the next digit in the result. 
Result so far: 6.0
Deduct 5946 from 6596 and we're left with 650.
Take the next digit (0) from the dividend and append it to 650, then repeat: 6500 / 991

Advancing to step 5:
When dividing 6500 by 991, we get 6 with a remainder of 554.
Use 6 as the next digit of our solution. 
Result so far: 66.0
If we take 5946 away from 6500, we end up with 554.
Take the next digit (3) from the dividend and append it to 554, then repeat: 5543 / 991

Step 6:
991 goes into 5543 5 times with a remainder of 588.
The next digit of our result is 5. 
Result so far: 665.0
Subtract 4955 from 5543 to get 588.
Grab the next digit (1) from the dividend, add it to 588, then carry on: 5881 / 991

Moving on to step 7:
The number 991 fits into 5881 5 times, leaving a remainder of 926.
Write down 5 as next digit of the result. 
Result so far: 6655.0
Subtract 4955 from 5881 to get 926.
Include the next digit (7) from the dividend after 926, then repeat: 9267 / 991

On to step 8:
991 can be fit into 9267 9 times, resulting in a remainder of 348.
Write down 9 as next digit of the result. 
Result so far: 66559.0
Deduct 8919 from 9267 and we're left with 348.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3480, and continue the process.

Advancing to step 9:
991 can be fit into 3480 3 times, resulting in a remainder of 507.
Put 3 as the next digit of the answer. 
Result so far: 66559.3
Subtract 2973 from 3480 to get 507.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5070, and continue the process.

Moving on to step 10:
991 can be fit into 5070 5 times, resulting in a remainder of 115.
Record the quotient 5 as the next digit in the result. 
Result so far: 66559.35
Subtracting 4955 from 5070 leaves us with 115.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1150, and continue the process.

Step 11:
991 can be fit into 1150 1 times, resulting in a remainder of 159.
Use 1 as the next digit of our solution. 
Result so far: 66559.351
The remainder is 159 after subtracting 991 from 1150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1590, and continue the process.

Going ahead to step 12:
When dividing 1590 by 991, we get 1 with a remainder of 599.
Record the quotient 1 as the next digit in the result. 
Result so far: 66559.3511
Subtract 991 from 1590 to get 599.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5990, and continue the process.

The final outcome is 66559.3511, with a leftover of 0.00599.