78957947 ÷ 831 
The aim is to understand the frequency of 831 in 78957947.

Let's proceed to step 1:
831 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.
Bring next digit (8) of the dividend behind the 7 and repeat the process: 78 / 831

On to step 2:
If we divide 78 by 831, we get 0 and a remainder of 78.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 78, we end up with 78.
Bring next digit (9) of the dividend behind the 78 and repeat the process: 789 / 831

Advancing to step 3:
831 can be fit into 789 0 times, resulting in a remainder of 789.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 789, we get 789.
Append the next digit (5) from the dividend to 789 and continue with: 7895 / 831

Advancing to step 4:
831 goes into 7895 9 times with a remainder of 416.
The next digit of our result is 9. 
Result so far: 9.0
If we subtract 7479 from 7895, we get 416.
Take the next digit (7) from the dividend and append it to 416, then repeat: 4167 / 831

On to step 5:
4167 divided by 831 is 5 with a remainder of 12.
The next digit of our result is 5. 
Result so far: 95.0
The remainder is 12 after subtracting 4155 from 4167.
Include the next digit (9) from the dividend after 12, then repeat: 129 / 831

Advancing to step 6:
129 divided by 831 is 0 with a remainder of 129.
The number 0 becomes the next digit in our result. 
Result so far: 950.0
Subtract 0 from 129 to get 129.
Grab the next digit (4) from the dividend, add it to 129, then carry on: 1294 / 831

On to step 7:
When dividing 1294 by 831, we get 1 with a remainder of 463.
Write down 1 as next digit of the result. 
Result so far: 9501.0
The remainder is 463 after subtracting 831 from 1294.
Bring next digit (7) of the dividend behind the 463 and repeat the process: 4637 / 831

Moving on to step 8:
If we divide 4637 by 831, we get 5 and a remainder of 482.
Record the quotient 5 as the next digit in the result. 
Result so far: 95015.0
The remainder is 482 after subtracting 4155 from 4637.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4820, and continue the process.

On to step 9:
When dividing 4820 by 831, we get 5 with a remainder of 665.
The next digit of our result is 5. 
Result so far: 95015.5
If we take 4155 away from 4820, we end up with 665.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6650, and continue the process.

Advancing to step 10:
831 goes into 6650 8 times with a remainder of 2.
Put 8 as the next digit of the answer. 
Result so far: 95015.58
If we subtract 6648 from 6650, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 11:
The number 831 fits into 20 0 times, leaving a remainder of 20.
Record the quotient 0 as the next digit in the result. 
Result so far: 95015.58
Deduct 0 from 20 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Going ahead to step 12:
200 divided by 831 is 0 with a remainder of 200.
The number 0 becomes the next digit in our result. 
Result so far: 95015.58
Subtract 0 from 200 to get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Our division results in 95015.58 with a remaining 0.002.