We look at the division of 66257785 by 789 
The aim is to understand the frequency of 789 in 66257785.

Let's proceed to step 1:
789 can be fit into 6 0 times, resulting in a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Include the next digit (6) from the dividend after 6, then repeat: 66 / 789

Advancing to step 2:
66 divided by 789 is 0 with a remainder of 66.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 66 and we're left with 66.
Bring next digit (2) of the dividend behind the 66 and repeat the process: 662 / 789

Step 3:
789 goes into 662 0 times with a remainder of 662.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 662, we end up with 662.
Include the next digit (5) from the dividend after 662, then repeat: 6625 / 789

On to step 4:
6625 divided by 789 is 8 with a remainder of 313.
Put 8 as the next digit of the answer. 
Result so far: 8.0
Subtract 6312 from 6625 to get 313.
Include the next digit (7) from the dividend after 313, then repeat: 3137 / 789

On to step 5:
789 goes into 3137 3 times with a remainder of 770.
Write down 3 as next digit of the result. 
Result so far: 83.0
The remainder is 770 after subtracting 2367 from 3137.
Append the next digit (7) from the dividend to 770 and continue with: 7707 / 789

Step 6:
If we divide 7707 by 789, we get 9 and a remainder of 606.
Record the quotient 9 as the next digit in the result. 
Result so far: 839.0
Subtracting 7101 from 7707 leaves us with 606.
Include the next digit (8) from the dividend after 606, then repeat: 6068 / 789

Let's proceed to step 7:
When dividing 6068 by 789, we get 7 with a remainder of 545.
The next digit of our result is 7. 
Result so far: 8397.0
Deduct 5523 from 6068 and we're left with 545.
Grab the next digit (5) from the dividend, add it to 545, then carry on: 5455 / 789

Moving on to step 8:
The number 789 fits into 5455 6 times, leaving a remainder of 721.
Use 6 as the next digit of our solution. 
Result so far: 83976.0
Deduct 4734 from 5455 and we're left with 721.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7210, and continue the process.

Going ahead to step 9:
When dividing 7210 by 789, we get 9 with a remainder of 109.
Write down 9 as next digit of the result. 
Result so far: 83976.9
If we subtract 7101 from 7210, we get 109.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1090, and continue the process.

Advancing to step 10:
The number 789 fits into 1090 1 times, leaving a remainder of 301.
Use 1 as the next digit of our solution. 
Result so far: 83976.91
Deduct 789 from 1090 and we're left with 301.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3010, and continue the process.

Going ahead to step 11:
When dividing 3010 by 789, we get 3 with a remainder of 643.
Record the quotient 3 as the next digit in the result. 
Result so far: 83976.913
Deduct 2367 from 3010 and we're left with 643.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6430, and continue the process.

Going ahead to step 12:
789 can be fit into 6430 8 times, resulting in a remainder of 118.
The number 8 becomes the next digit in our result. 
Result so far: 83976.9138
Subtract 6312 from 6430 to get 118.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1180, and continue the process.

Let's proceed to step 13:
When dividing 1180 by 789, we get 1 with a remainder of 391.
Write down 1 as next digit of the result. 
Result so far: 83976.91381
Deduct 789 from 1180 and we're left with 391.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3910, and continue the process.

Step 14:
If we divide 3910 by 789, we get 4 and a remainder of 754.
The next digit of our result is 4. 
Result so far: 83976.913814
If we take 3156 away from 3910, we end up with 754.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7540, and continue the process.

On to step 15:
7540 divided by 789 is 9 with a remainder of 439.
The number 9 becomes the next digit in our result. 
Result so far: 83976.9138149
If we take 7101 away from 7540, we end up with 439.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4390, and continue the process.

Going ahead to step 16:
4390 divided by 789 is 5 with a remainder of 445.
The next digit of our result is 5. 
Result so far: 83976.91381495
If we take 3945 away from 4390, we end up with 445.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4450, and continue the process.

Our division results in 83976.91381495 with a remaining 4.45e-07.