We look at the division of 789384 by 84 
The aim is to understand the frequency of 84 in 789384.

Moving on to step 1:
84 goes into 7 0 times with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Grab the next digit (8) from the dividend, add it to 7, then carry on: 78 / 84

On to step 2:
The number 84 fits into 78 0 times, leaving a remainder of 78.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 78 to get 78.
Grab the next digit (9) from the dividend, add it to 78, then carry on: 789 / 84

On to step 3:
84 can be fit into 789 9 times, resulting in a remainder of 33.
The number 9 becomes the next digit in our result. 
Result so far: 9.0
Subtracting 756 from 789 leaves us with 33.
Fetch the next digit (3) from the dividend, attach it to 33 and continue: 333 / 84

Moving on to step 4:
The number 84 fits into 333 3 times, leaving a remainder of 81.
Put 3 as the next digit of the answer. 
Result so far: 93.0
The remainder is 81 after subtracting 252 from 333.
Append the next digit (8) from the dividend to 81 and continue with: 818 / 84

Going ahead to step 5:
When dividing 818 by 84, we get 9 with a remainder of 62.
The next digit of our result is 9. 
Result so far: 939.0
The remainder is 62 after subtracting 756 from 818.
Include the next digit (4) from the dividend after 62, then repeat: 624 / 84

On to step 6:
624 divided by 84 is 7 with a remainder of 36.
Use 7 as the next digit of our solution. 
Result so far: 9397.0
If we take 588 away from 624, we end up 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.

Going ahead to step 7:
If we divide 360 by 84, we get 4 and a remainder of 24.
Use 4 as the next digit of our solution. 
Result so far: 9397.4
If we subtract 336 from 360, we get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Moving on to step 8:
If we divide 240 by 84, we get 2 and a remainder of 72.
Put 2 as the next digit of the answer. 
Result so far: 9397.42
If we take 168 away from 240, we end up with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

On to step 9:
The number 84 fits into 720 8 times, leaving a remainder of 48.
Put 8 as the next digit of the answer. 
Result so far: 9397.428
Subtract 672 from 720 to get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Moving on to step 10:
84 can be fit into 480 5 times, resulting in a remainder of 60.
Write down 5 as next digit of the result. 
Result so far: 9397.4285
Deduct 420 from 480 and we're left with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Advancing to step 11:
600 divided by 84 is 7 with a remainder of 12.
The next digit of our result is 7. 
Result so far: 9397.42857
If we take 588 away from 600, we end up with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Advancing to step 12:
84 goes into 120 1 times with a remainder of 36.
Use 1 as the next digit of our solution. 
Result so far: 9397.428571
Subtracting 84 from 120 leaves us 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.

On to step 13:
If we divide 360 by 84, we get 4 and a remainder of 24.
Put 4 as the next digit of the answer. 
Result so far: 9397.4285714
Subtract 336 from 360 to get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Let's proceed to step 14:
The number 84 fits into 240 2 times, leaving a remainder of 72.
The next digit of our result is 2. 
Result so far: 9397.42857142
If we take 168 away from 240, we end up with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

The final outcome is 9397.42857142, with a leftover of 7.2e-08.