91951360 divided by 809 
The aim is to understand the frequency of 809 in 91951360.

Going ahead to step 1:
809 goes into 9 0 times with a remainder of 9.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 9 after subtracting 0 from 9.
Bring next digit (1) of the dividend behind the 9 and repeat the process: 91 / 809

Moving on to step 2:
809 can be fit into 91 0 times, resulting in a remainder of 91.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 91, we end up with 91.
Grab the next digit (9) from the dividend, add it to 91, then carry on: 919 / 809

On to step 3:
If we divide 919 by 809, we get 1 and a remainder of 110.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtract 809 from 919 to get 110.
Append the next digit (5) from the dividend to 110 and continue with: 1105 / 809

Moving on to step 4:
809 can be fit into 1105 1 times, resulting in a remainder of 296.
Put 1 as the next digit of the answer. 
Result so far: 11.0
If we subtract 809 from 1105, we get 296.
Fetch the next digit (1) from the dividend, attach it to 296 and continue: 2961 / 809

Going ahead to step 5:
2961 divided by 809 is 3 with a remainder of 534.
Use 3 as the next digit of our solution. 
Result so far: 113.0
The remainder is 534 after subtracting 2427 from 2961.
Append the next digit (3) from the dividend to 534 and continue with: 5343 / 809

Moving on to step 6:
The number 809 fits into 5343 6 times, leaving a remainder of 489.
Record the quotient 6 as the next digit in the result. 
Result so far: 1136.0
Deduct 4854 from 5343 and we're left with 489.
Append the next digit (6) from the dividend to 489 and continue with: 4896 / 809

Step 7:
When dividing 4896 by 809, we get 6 with a remainder of 42.
Write down 6 as next digit of the result. 
Result so far: 11366.0
Deduct 4854 from 4896 and we're left with 42.
Fetch the next digit (0) from the dividend, attach it to 42 and continue: 420 / 809

Going ahead to step 8:
809 goes into 420 0 times with a remainder of 420.
The number 0 becomes the next digit in our result. 
Result so far: 113660.0
Subtract 0 from 420 to get 420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4200, and continue the process.

Advancing to step 9:
4200 divided by 809 is 5 with a remainder of 155.
Put 5 as the next digit of the answer. 
Result so far: 113660.5
If we subtract 4045 from 4200, we get 155.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1550, and continue the process.

Moving on to step 10:
1550 divided by 809 is 1 with a remainder of 741.
Record the quotient 1 as the next digit in the result. 
Result so far: 113660.51
Subtracting 809 from 1550 leaves us with 741.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7410, and continue the process.

Let's proceed to step 11:
When dividing 7410 by 809, we get 9 with a remainder of 129.
The number 9 becomes the next digit in our result. 
Result so far: 113660.519
If we take 7281 away from 7410, we end up with 129.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1290, and continue the process.

Moving on to step 12:
809 goes into 1290 1 times with a remainder of 481.
Record the quotient 1 as the next digit in the result. 
Result so far: 113660.5191
If we subtract 809 from 1290, we get 481.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4810, and continue the process.

Going ahead to step 13:
809 goes into 4810 5 times with a remainder of 765.
Record the quotient 5 as the next digit in the result. 
Result so far: 113660.51915
The remainder is 765 after subtracting 4045 from 4810.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7650, and continue the process.

Step 14:
The number 809 fits into 7650 9 times, leaving a remainder of 369.
Write down 9 as next digit of the result. 
Result so far: 113660.519159
If we subtract 7281 from 7650, we get 369.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3690, and continue the process.

Advancing to step 15:
When dividing 3690 by 809, we get 4 with a remainder of 454.
Record the quotient 4 as the next digit in the result. 
Result so far: 113660.5191594
The remainder is 454 after subtracting 3236 from 3690.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4540, and continue the process.

Going ahead to step 16:
809 goes into 4540 5 times with a remainder of 495.
Put 5 as the next digit of the answer. 
Result so far: 113660.51915945
If we subtract 4045 from 4540, we get 495.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4950, and continue the process.

After the division, we end up with 113660.51915945 and a remainder of 4.95e-07.