We divide 91841 by 77
The aim is to understand the frequency of 77 in 91841.

Step 1:
When dividing 9 by 77, we get 0 with a remainder of 9.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 9 leaves us with 9.
Include the next digit (1) from the dividend after 9, then repeat: 91 / 77

Going ahead to step 2:
If we divide 91 by 77, we get 1 and a remainder of 14.
Use 1 as the next digit of our solution. 
Result so far: 1.0
The remainder is 14 after subtracting 77 from 91.
Fetch the next digit (8) from the dividend, attach it to 14 and continue: 148 / 77

On to step 3:
148 divided by 77 is 1 with a remainder of 71.
Put 1 as the next digit of the answer. 
Result so far: 11.0
Deduct 77 from 148 and we're left with 71.
Include the next digit (4) from the dividend after 71, then repeat: 714 / 77

Step 4:
When dividing 714 by 77, we get 9 with a remainder of 21.
The number 9 becomes the next digit in our result. 
Result so far: 119.0
Subtracting 693 from 714 leaves us with 21.
Grab the next digit (1) from the dividend, add it to 21, then carry on: 211 / 77

Advancing to step 5:
The number 77 fits into 211 2 times, leaving a remainder of 57.
The number 2 becomes the next digit in our result. 
Result so far: 1192.0
Subtract 154 from 211 to get 57.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

On to step 6:
77 can be fit into 570 7 times, resulting in a remainder of 31.
Write down 7 as next digit of the result. 
Result so far: 1192.7
If we subtract 539 from 570, we get 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Advancing to step 7:
When dividing 310 by 77, we get 4 with a remainder of 2.
The next digit of our result is 4. 
Result so far: 1192.74
If we take 308 away from 310, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 8:
When dividing 20 by 77, we get 0 with a remainder of 20.
Write down 0 as next digit of the result. 
Result so far: 1192.74
The remainder is 20 after subtracting 0 from 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 9:
If we divide 200 by 77, we get 2 and a remainder of 46.
Put 2 as the next digit of the answer. 
Result so far: 1192.7402
Subtract 154 from 200 to get 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Advancing to step 10:
If we divide 460 by 77, we get 5 and a remainder of 75.
Write down 5 as next digit of the result. 
Result so far: 1192.74025
Subtract 385 from 460 to get 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Advancing to step 11:
The number 77 fits into 750 9 times, leaving a remainder of 57.
The next digit of our result is 9. 
Result so far: 1192.740259
Subtract 693 from 750 to get 57.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

Step 12:
The number 77 fits into 570 7 times, leaving a remainder of 31.
Put 7 as the next digit of the answer. 
Result so far: 1192.7402597
Deduct 539 from 570 and we're left with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Moving on to step 13:
310 divided by 77 is 4 with a remainder of 2.
Use 4 as the next digit of our solution. 
Result so far: 1192.74025974
The remainder is 2 after subtracting 308 from 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

After the division, we end up with 1192.74025974 and a remainder of 2e-09.