641599 divided by 83 
The aim is to understand the frequency of 83 in 641599.

Advancing to step 1:
If we divide 6 by 83, we get 0 and a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Include the next digit (4) from the dividend after 6, then repeat: 64 / 83

Moving on to step 2:
When dividing 64 by 83, we get 0 with a remainder of 64.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 64 leaves us with 64.
Take the next digit (1) from the dividend and append it to 64, then repeat: 641 / 83

Advancing to step 3:
83 can be fit into 641 7 times, resulting in a remainder of 60.
The next digit of our result is 7. 
Result so far: 7.0
The remainder is 60 after subtracting 581 from 641.
Append the next digit (5) from the dividend to 60 and continue with: 605 / 83

Step 4:
The number 83 fits into 605 7 times, leaving a remainder of 24.
The next digit of our result is 7. 
Result so far: 77.0
Deduct 581 from 605 and we're left with 24.
Include the next digit (9) from the dividend after 24, then repeat: 249 / 83

Let's proceed to step 5:
83 goes into 249 3 times with a remainder of 0.
The next digit of our result is 3. 
Result so far: 773.0
Deduct 249 from 249 and we're left with 0.
Fetch the next digit (9) from the dividend, attach it to 0 and continue: 9 / 83

Going ahead to step 6:
When dividing 9 by 83, we get 0 with a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 7730.0
Subtract 0 from 9 to get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

On to step 7:
83 can be fit into 90 1 times, resulting in a remainder of 7.
The next digit of our result is 1. 
Result so far: 7730.1
Deduct 83 from 90 and we're left 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 8:
83 can be fit into 70 0 times, resulting in a remainder of 70.
Use 0 as the next digit of our solution. 
Result so far: 7730.1
The remainder is 70 after subtracting 0 from 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Let's proceed to step 9:
83 can be fit into 700 8 times, resulting in a remainder of 36.
Put 8 as the next digit of the answer. 
Result so far: 7730.108
Deduct 664 from 700 and we're left with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Step 10:
360 divided by 83 is 4 with a remainder of 28.
Record the quotient 4 as the next digit in the result. 
Result so far: 7730.1084
Deduct 332 from 360 and we're left with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Moving on to step 11:
280 divided by 83 is 3 with a remainder of 31.
Use 3 as the next digit of our solution. 
Result so far: 7730.10843
The remainder is 31 after subtracting 249 from 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

On to step 12:
If we divide 310 by 83, we get 3 and a remainder of 61.
Record the quotient 3 as the next digit in the result. 
Result so far: 7730.108433
The remainder is 61 after subtracting 249 from 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 610, and continue the process.

The final result is 7730.108433 with a remainder of 6.1e-06.