646795 divided by 84 
The aim is to understand the frequency of 84 in 646795.

Let's proceed to step 1:
When dividing 6 by 84, we get 0 with a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Take the next digit (4) from the dividend and append it to 6, then repeat: 64 / 84

Let's proceed to step 2:
84 goes into 64 0 times with a remainder of 64.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 64 to get 64.
Include the next digit (6) from the dividend after 64, then repeat: 646 / 84

Moving on to step 3:
When dividing 646 by 84, we get 7 with a remainder of 58.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
Subtracting 588 from 646 leaves us with 58.
Bring next digit (7) of the dividend behind the 58 and repeat the process: 587 / 84

Let's proceed to step 4:
If we divide 587 by 84, we get 6 and a remainder of 83.
The number 6 becomes the next digit in our result. 
Result so far: 76.0
The remainder is 83 after subtracting 504 from 587.
Grab the next digit (9) from the dividend, add it to 83, then carry on: 839 / 84

Going ahead to step 5:
The number 84 fits into 839 9 times, leaving a remainder of 83.
Write down 9 as next digit of the result. 
Result so far: 769.0
If we subtract 756 from 839, we get 83.
Fetch the next digit (5) from the dividend, attach it to 83 and continue: 835 / 84

Step 6:
84 can be fit into 835 9 times, resulting in a remainder of 79.
The next digit of our result is 9. 
Result so far: 7699.0
Subtracting 756 from 835 leaves us with 79.
Since there are no more digits in the dividend, we add a zero to the remainder making it 790, and continue the process.

Going ahead to step 7:
When dividing 790 by 84, we get 9 with a remainder of 34.
Put 9 as the next digit of the answer. 
Result so far: 7699.9
If we take 756 away from 790, we end up with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Moving on to step 8:
84 can be fit into 340 4 times, resulting in a remainder of 4.
The number 4 becomes the next digit in our result. 
Result so far: 7699.94
The remainder is 4 after subtracting 336 from 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 9:
If we divide 40 by 84, we get 0 and a remainder of 40.
The next digit of our result is 0. 
Result so far: 7699.94
Subtracting 0 from 40 leaves us with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 10:
When dividing 400 by 84, we get 4 with a remainder of 64.
Write down 4 as next digit of the result. 
Result so far: 7699.9404
Subtracting 336 from 400 leaves us with 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Going ahead to step 11:
The number 84 fits into 640 7 times, leaving a remainder of 52.
The next digit of our result is 7. 
Result so far: 7699.94047
Subtract 588 from 640 to get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Moving on to step 12:
If we divide 520 by 84, we get 6 and a remainder of 16.
Record the quotient 6 as the next digit in the result. 
Result so far: 7699.940476
If we subtract 504 from 520, we get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 13:
84 can be fit into 160 1 times, resulting in a remainder of 76.
Record the quotient 1 as the next digit in the result. 
Result so far: 7699.9404761
Deduct 84 from 160 and we're left with 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

Moving on to step 14:
760 divided by 84 is 9 with a remainder of 4.
The next digit of our result is 9. 
Result so far: 7699.94047619
Subtract 756 from 760 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

After the division, we end up with 7699.94047619 and a remainder of 4e-09.