We divide 11526859 by 9
The aim is to understand the frequency of 9 in 11526859.

On to step 1:
When dividing 1 by 9, we get 0 with a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 1 and we're left with 1.
Take the next digit (1) from the dividend and append it to 1, then repeat: 11 / 9

Let's proceed to step 2:
When dividing 11 by 9, we get 1 with a remainder of 2.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 9 from 11, we get 2.
Take the next digit (5) from the dividend and append it to 2, then repeat: 25 / 9

Step 3:
9 can be fit into 25 2 times, resulting in a remainder of 7.
Put 2 as the next digit of the answer. 
Result so far: 12.0
If we subtract 18 from 25, we get 7.
Take the next digit (2) from the dividend and append it to 7, then repeat: 72 / 9

Step 4:
If we divide 72 by 9, we get 8 and a remainder of 0.
Write down 8 as next digit of the result. 
Result so far: 128.0
Subtracting 72 from 72 leaves us with 0.
Include the next digit (6) from the dividend after 0, then repeat: 6 / 9

Let's proceed to step 5:
9 can be fit into 6 0 times, resulting in a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 1280.0
Subtracting 0 from 6 leaves us with 6.
Take the next digit (8) from the dividend and append it to 6, then repeat: 68 / 9

Step 6:
9 can be fit into 68 7 times, resulting in a remainder of 5.
Put 7 as the next digit of the answer. 
Result so far: 12807.0
Subtracting 63 from 68 leaves us with 5.
Fetch the next digit (5) from the dividend, attach it to 5 and continue: 55 / 9

Advancing to step 7:
When dividing 55 by 9, we get 6 with a remainder of 1.
Write down 6 as next digit of the result. 
Result so far: 128076.0
If we subtract 54 from 55, we get 1.
Append the next digit (9) from the dividend to 1 and continue with: 19 / 9

On to step 8:
When dividing 19 by 9, we get 2 with a remainder of 1.
The next digit of our result is 2. 
Result so far: 1280762.0
If we take 18 away from 19, we end up 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.

Advancing to step 9:
If we divide 10 by 9, we get 1 and a remainder of 1.
Use 1 as the next digit of our solution. 
Result so far: 1280762.1
If we take 9 away from 10, we end up 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.

Advancing to step 10:
9 goes into 10 1 times with a remainder of 1.
Record the quotient 1 as the next digit in the result. 
Result so far: 1280762.11
Subtract 9 from 10 to get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

The final outcome is 1280762.11, with a leftover of 0.001.