We're dividing 7765870 by 728 
The aim is to understand the frequency of 728 in 7765870.

Going ahead to step 1:
When dividing 7 by 728, we get 0 with a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Include the next digit (7) from the dividend after 7, then repeat: 77 / 728

On to step 2:
728 goes into 77 0 times with a remainder of 77.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 77 after subtracting 0 from 77.
Append the next digit (6) from the dividend to 77 and continue with: 776 / 728

Moving on to step 3:
The number 728 fits into 776 1 times, leaving a remainder of 48.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtract 728 from 776 to get 48.
Take the next digit (5) from the dividend and append it to 48, then repeat: 485 / 728

Moving on to step 4:
The number 728 fits into 485 0 times, leaving a remainder of 485.
Write down 0 as next digit of the result. 
Result so far: 10.0
Subtracting 0 from 485 leaves us with 485.
Grab the next digit (8) from the dividend, add it to 485, then carry on: 4858 / 728

Let's proceed to step 5:
If we divide 4858 by 728, we get 6 and a remainder of 490.
Put 6 as the next digit of the answer. 
Result so far: 106.0
If we take 4368 away from 4858, we end up with 490.
Append the next digit (7) from the dividend to 490 and continue with: 4907 / 728

Advancing to step 6:
4907 divided by 728 is 6 with a remainder of 539.
The next digit of our result is 6. 
Result so far: 1066.0
Subtracting 4368 from 4907 leaves us with 539.
Grab the next digit (0) from the dividend, add it to 539, then carry on: 5390 / 728

Going ahead to step 7:
If we divide 5390 by 728, we get 7 and a remainder of 294.
Use 7 as the next digit of our solution. 
Result so far: 10667.0
If we take 5096 away from 5390, we end up with 294.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2940, and continue the process.

On to step 8:
728 can be fit into 2940 4 times, resulting in a remainder of 28.
The next digit of our result is 4. 
Result so far: 10667.4
The remainder is 28 after subtracting 2912 from 2940.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Step 9:
If we divide 280 by 728, we get 0 and a remainder of 280.
Use 0 as the next digit of our solution. 
Result so far: 10667.4
If we take 0 away from 280, we end up with 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2800, and continue the process.

Advancing to step 10:
728 can be fit into 2800 3 times, resulting in a remainder of 616.
Record the quotient 3 as the next digit in the result. 
Result so far: 10667.403
The remainder is 616 after subtracting 2184 from 2800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6160, and continue the process.

Going ahead to step 11:
When dividing 6160 by 728, we get 8 with a remainder of 336.
Use 8 as the next digit of our solution. 
Result so far: 10667.4038
If we take 5824 away from 6160, we end up with 336.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3360, and continue the process.

Moving on to step 12:
If we divide 3360 by 728, we get 4 and a remainder of 448.
The number 4 becomes the next digit in our result. 
Result so far: 10667.40384
Subtract 2912 from 3360 to get 448.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4480, and continue the process.

Step 13:
If we divide 4480 by 728, we get 6 and a remainder of 112.
Write down 6 as next digit of the result. 
Result so far: 10667.403846
The remainder is 112 after subtracting 4368 from 4480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

Advancing to step 14:
When dividing 1120 by 728, we get 1 with a remainder of 392.
Use 1 as the next digit of our solution. 
Result so far: 10667.4038461
If we take 728 away from 1120, we end up with 392.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3920, and continue the process.

Step 15:
The number 728 fits into 3920 5 times, leaving a remainder of 280.
The next digit of our result is 5. 
Result so far: 10667.40384615
If we subtract 3640 from 3920, we get 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2800, and continue the process.

Our division results in 10667.40384615 with a remaining 2.8e-07.