We're dividing 9039991 by 860 
The aim is to understand the frequency of 860 in 9039991.

Going ahead to step 1:
860 goes into 9 0 times with a remainder of 9.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Include the next digit (0) from the dividend after 9, then repeat: 90 / 860

Advancing to step 2:
860 goes into 90 0 times with a remainder of 90.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 90 and we're left with 90.
Bring next digit (3) of the dividend behind the 90 and repeat the process: 903 / 860

Let's proceed to step 3:
903 divided by 860 is 1 with a remainder of 43.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtracting 860 from 903 leaves us with 43.
Grab the next digit (9) from the dividend, add it to 43, then carry on: 439 / 860

Let's proceed to step 4:
When dividing 439 by 860, we get 0 with a remainder of 439.
Record the quotient 0 as the next digit in the result. 
Result so far: 10.0
The remainder is 439 after subtracting 0 from 439.
Include the next digit (9) from the dividend after 439, then repeat: 4399 / 860

Moving on to step 5:
860 can be fit into 4399 5 times, resulting in a remainder of 99.
Write down 5 as next digit of the result. 
Result so far: 105.0
If we take 4300 away from 4399, we end up with 99.
Take the next digit (9) from the dividend and append it to 99, then repeat: 999 / 860

Advancing to step 6:
999 divided by 860 is 1 with a remainder of 139.
Write down 1 as next digit of the result. 
Result so far: 1051.0
The remainder is 139 after subtracting 860 from 999.
Take the next digit (1) from the dividend and append it to 139, then repeat: 1391 / 860

Let's proceed to step 7:
860 can be fit into 1391 1 times, resulting in a remainder of 531.
Write down 1 as next digit of the result. 
Result so far: 10511.0
Subtracting 860 from 1391 leaves us with 531.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5310, and continue the process.

Moving on to step 8:
If we divide 5310 by 860, we get 6 and a remainder of 150.
The number 6 becomes the next digit in our result. 
Result so far: 10511.6
If we take 5160 away from 5310, we end up with 150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1500, and continue the process.

Advancing to step 9:
If we divide 1500 by 860, we get 1 and a remainder of 640.
The number 1 becomes the next digit in our result. 
Result so far: 10511.61
Subtracting 860 from 1500 leaves us with 640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6400, and continue the process.

Step 10:
If we divide 6400 by 860, we get 7 and a remainder of 380.
Record the quotient 7 as the next digit in the result. 
Result so far: 10511.617
The remainder is 380 after subtracting 6020 from 6400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3800, and continue the process.

Advancing to step 11:
When dividing 3800 by 860, we get 4 with a remainder of 360.
Use 4 as the next digit of our solution. 
Result so far: 10511.6174
If we take 3440 away from 3800, we end up with 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3600, and continue the process.

Let's proceed to step 12:
When dividing 3600 by 860, we get 4 with a remainder of 160.
Use 4 as the next digit of our solution. 
Result so far: 10511.61744
If we subtract 3440 from 3600, we get 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

The final result is 10511.61744 with a remainder of 0.00016.