726715 divided by 84 
The aim is to understand the frequency of 84 in 726715.

Going ahead to step 1:
The number 84 fits into 7 0 times, leaving a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Append the next digit (2) from the dividend to 7 and continue with: 72 / 84

Step 2:
When dividing 72 by 84, we get 0 with a remainder of 72.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 72 after subtracting 0 from 72.
Bring next digit (6) of the dividend behind the 72 and repeat the process: 726 / 84

Let's proceed to step 3:
When dividing 726 by 84, we get 8 with a remainder of 54.
Record the quotient 8 as the next digit in the result. 
Result so far: 8.0
If we take 672 away from 726, we end up with 54.
Append the next digit (7) from the dividend to 54 and continue with: 547 / 84

Going ahead to step 4:
84 goes into 547 6 times with a remainder of 43.
The number 6 becomes the next digit in our result. 
Result so far: 86.0
The remainder is 43 after subtracting 504 from 547.
Grab the next digit (1) from the dividend, add it to 43, then carry on: 431 / 84

On to step 5:
If we divide 431 by 84, we get 5 and a remainder of 11.
Write down 5 as next digit of the result. 
Result so far: 865.0
Subtracting 420 from 431 leaves us with 11.
Fetch the next digit (5) from the dividend, attach it to 11 and continue: 115 / 84

On to step 6:
84 can be fit into 115 1 times, resulting in a remainder of 31.
Use 1 as the next digit of our solution. 
Result so far: 8651.0
If we subtract 84 from 115, 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.

Let's proceed to step 7:
310 divided by 84 is 3 with a remainder of 58.
Record the quotient 3 as the next digit in the result. 
Result so far: 8651.3
Deduct 252 from 310 and we're left with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

On to step 8:
580 divided by 84 is 6 with a remainder of 76.
Record the quotient 6 as the next digit in the result. 
Result so far: 8651.36
Deduct 504 from 580 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.

Step 9:
When dividing 760 by 84, we get 9 with a remainder of 4.
The next digit of our result is 9. 
Result so far: 8651.369
Subtracting 756 from 760 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Step 10:
40 divided by 84 is 0 with a remainder of 40.
Put 0 as the next digit of the answer. 
Result so far: 8651.369
The remainder is 40 after subtracting 0 from 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Advancing to step 11:
400 divided by 84 is 4 with a remainder of 64.
Record the quotient 4 as the next digit in the result. 
Result so far: 8651.36904
Deduct 336 from 400 and we're left 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.

Step 12:
640 divided by 84 is 7 with a remainder of 52.
Write down 7 as next digit of the result. 
Result so far: 8651.369047
Deduct 588 from 640 and we're left with 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

On to step 13:
When dividing 520 by 84, we get 6 with a remainder of 16.
Use 6 as the next digit of our solution. 
Result so far: 8651.3690476
Deduct 504 from 520 and we're left with 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 14:
160 divided by 84 is 1 with a remainder of 76.
The next digit of our result is 1. 
Result so far: 8651.36904761
Subtracting 84 from 160 leaves us 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.

The final outcome is 8651.36904761, with a leftover of 7.6e-08.