We're dividing 742304 by 86 
The aim is to understand the frequency of 86 in 742304.

Going ahead to step 1:
86 can be fit into 7 0 times, resulting in a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Bring next digit (4) of the dividend behind the 7 and repeat the process: 74 / 86

Step 2:
86 can be fit into 74 0 times, resulting in a remainder of 74.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 74 after subtracting 0 from 74.
Fetch the next digit (2) from the dividend, attach it to 74 and continue: 742 / 86

Moving on to step 3:
When dividing 742 by 86, we get 8 with a remainder of 54.
The number 8 becomes the next digit in our result. 
Result so far: 8.0
If we take 688 away from 742, we end up with 54.
Include the next digit (3) from the dividend after 54, then repeat: 543 / 86

Moving on to step 4:
If we divide 543 by 86, we get 6 and a remainder of 27.
The next digit of our result is 6. 
Result so far: 86.0
Deduct 516 from 543 and we're left with 27.
Take the next digit (0) from the dividend and append it to 27, then repeat: 270 / 86

On to step 5:
86 goes into 270 3 times with a remainder of 12.
Put 3 as the next digit of the answer. 
Result so far: 863.0
If we subtract 258 from 270, we get 12.
Take the next digit (4) from the dividend and append it to 12, then repeat: 124 / 86

Going ahead to step 6:
124 divided by 86 is 1 with a remainder of 38.
The number 1 becomes the next digit in our result. 
Result so far: 8631.0
Deduct 86 from 124 and we're left with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

On to step 7:
If we divide 380 by 86, we get 4 and a remainder of 36.
The next digit of our result is 4. 
Result so far: 8631.4
Deduct 344 from 380 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.

Moving on to step 8:
86 goes into 360 4 times with a remainder of 16.
The next digit of our result is 4. 
Result so far: 8631.44
If we take 344 away from 360, we end up 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.

The quotient of the division is 8631.44, and the remainder is 0.016.