We're dividing 921144 by 13 
The aim is to understand the frequency of 13 in 921144.

Moving on to step 1:
9 divided by 13 is 0 with a remainder of 9.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 9, we end up with 9.
Fetch the next digit (2) from the dividend, attach it to 9 and continue: 92 / 13

Let's proceed to step 2:
The number 13 fits into 92 7 times, leaving a remainder of 1.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
Subtracting 91 from 92 leaves us with 1.
Take the next digit (1) from the dividend and append it to 1, then repeat: 11 / 13

Advancing to step 3:
13 can be fit into 11 0 times, resulting in a remainder of 11.
The number 0 becomes the next digit in our result. 
Result so far: 70.0
If we subtract 0 from 11, we get 11.
Append the next digit (1) from the dividend to 11 and continue with: 111 / 13

Advancing to step 4:
The number 13 fits into 111 8 times, leaving a remainder of 7.
The number 8 becomes the next digit in our result. 
Result so far: 708.0
Subtract 104 from 111 to get 7.
Take the next digit (4) from the dividend and append it to 7, then repeat: 74 / 13

Moving on to step 5:
13 can be fit into 74 5 times, resulting in a remainder of 9.
Put 5 as the next digit of the answer. 
Result so far: 7085.0
Deduct 65 from 74 and we're left with 9.
Take the next digit (4) from the dividend and append it to 9, then repeat: 94 / 13

Going ahead to step 6:
If we divide 94 by 13, we get 7 and a remainder of 3.
Put 7 as the next digit of the answer. 
Result so far: 70857.0
If we take 91 away from 94, we end up with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Let's proceed to step 7:
30 divided by 13 is 2 with a remainder of 4.
The number 2 becomes the next digit in our result. 
Result so far: 70857.2
If we take 26 away from 30, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 8:
If we divide 40 by 13, we get 3 and a remainder of 1.
Write down 3 as next digit of the result. 
Result so far: 70857.23
Deduct 39 from 40 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Let's proceed to step 9:
13 goes into 10 0 times with a remainder of 10.
Write down 0 as next digit of the result. 
Result so far: 70857.23
The remainder is 10 after subtracting 0 from 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 10:
If we divide 100 by 13, we get 7 and a remainder of 9.
The number 7 becomes the next digit in our result. 
Result so far: 70857.2307
Subtract 91 from 100 to get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Advancing to step 11:
The number 13 fits into 90 6 times, leaving a remainder of 12.
Use 6 as the next digit of our solution. 
Result so far: 70857.23076
Subtract 78 from 90 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Let's proceed to step 12:
120 divided by 13 is 9 with a remainder of 3.
Record the quotient 9 as the next digit in the result. 
Result so far: 70857.230769
Subtracting 117 from 120 leaves us with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Let's proceed to step 13:
13 can be fit into 30 2 times, resulting in a remainder of 4.
Record the quotient 2 as the next digit in the result. 
Result so far: 70857.2307692
Subtract 26 from 30 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 14:
The number 13 fits into 40 3 times, leaving a remainder of 1.
Use 3 as the next digit of our solution. 
Result so far: 70857.23076923
Deduct 39 from 40 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

In conclusion, the division gives 70857.23076923 with a balance of 1e-09.