780109 ÷ 69 
The aim is to understand the frequency of 69 in 780109.

Step 1:
If we divide 7 by 69, we get 0 and a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Include the next digit (8) from the dividend after 7, then repeat: 78 / 69

Moving on to step 2:
69 can be fit into 78 1 times, resulting in a remainder of 9.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtract 69 from 78 to get 9.
Take the next digit (0) from the dividend and append it to 9, then repeat: 90 / 69

Advancing to step 3:
When dividing 90 by 69, we get 1 with a remainder of 21.
Put 1 as the next digit of the answer. 
Result so far: 11.0
Subtract 69 from 90 to get 21.
Include the next digit (1) from the dividend after 21, then repeat: 211 / 69

On to step 4:
69 goes into 211 3 times with a remainder of 4.
The next digit of our result is 3. 
Result so far: 113.0
Subtract 207 from 211 to get 4.
Bring next digit (0) of the dividend behind the 4 and repeat the process: 40 / 69

Going ahead to step 5:
If we divide 40 by 69, we get 0 and a remainder of 40.
The number 0 becomes the next digit in our result. 
Result so far: 1130.0
The remainder is 40 after subtracting 0 from 40.
Take the next digit (9) from the dividend and append it to 40, then repeat: 409 / 69

Advancing to step 6:
The number 69 fits into 409 5 times, leaving a remainder of 64.
Use 5 as the next digit of our solution. 
Result so far: 11305.0
If we take 345 away from 409, we end up 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.

Advancing to step 7:
69 can be fit into 640 9 times, resulting in a remainder of 19.
Write down 9 as next digit of the result. 
Result so far: 11305.9
Subtracting 621 from 640 leaves us with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Moving on to step 8:
190 divided by 69 is 2 with a remainder of 52.
Put 2 as the next digit of the answer. 
Result so far: 11305.92
Deduct 138 from 190 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.

Going ahead to step 9:
69 can be fit into 520 7 times, resulting in a remainder of 37.
The next digit of our result is 7. 
Result so far: 11305.927
The remainder is 37 after subtracting 483 from 520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

Going ahead to step 10:
If we divide 370 by 69, we get 5 and a remainder of 25.
Use 5 as the next digit of our solution. 
Result so far: 11305.9275
The remainder is 25 after subtracting 345 from 370.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Going ahead to step 11:
69 goes into 250 3 times with a remainder of 43.
The next digit of our result is 3. 
Result so far: 11305.92753
Subtracting 207 from 250 leaves us with 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Advancing to step 12:
When dividing 430 by 69, we get 6 with a remainder of 16.
Use 6 as the next digit of our solution. 
Result so far: 11305.927536
Deduct 414 from 430 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.

Moving on to step 13:
160 divided by 69 is 2 with a remainder of 22.
Record the quotient 2 as the next digit in the result. 
Result so far: 11305.9275362
If we subtract 138 from 160, we get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Moving on to step 14:
69 goes into 220 3 times with a remainder of 13.
Write down 3 as next digit of the result. 
Result so far: 11305.92753623
Deduct 207 from 220 and we're left with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Our division results in 11305.92753623 with a remaining 1.3e-08.