794906 divided by 90 
The aim is to understand the frequency of 90 in 794906.

Going ahead to step 1:
7 divided by 90 is 0 with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Take the next digit (9) from the dividend and append it to 7, then repeat: 79 / 90

Going ahead to step 2:
90 goes into 79 0 times with a remainder of 79.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 79 after subtracting 0 from 79.
Append the next digit (4) from the dividend to 79 and continue with: 794 / 90

On to step 3:
90 can be fit into 794 8 times, resulting in a remainder of 74.
Use 8 as the next digit of our solution. 
Result so far: 8.0
Subtracting 720 from 794 leaves us with 74.
Fetch the next digit (9) from the dividend, attach it to 74 and continue: 749 / 90

Step 4:
90 goes into 749 8 times with a remainder of 29.
Write down 8 as next digit of the result. 
Result so far: 88.0
If we take 720 away from 749, we end up with 29.
Fetch the next digit (0) from the dividend, attach it to 29 and continue: 290 / 90

Step 5:
90 can be fit into 290 3 times, resulting in a remainder of 20.
The next digit of our result is 3. 
Result so far: 883.0
If we subtract 270 from 290, we get 20.
Grab the next digit (6) from the dividend, add it to 20, then carry on: 206 / 90

On to step 6:
90 can be fit into 206 2 times, resulting in a remainder of 26.
The number 2 becomes the next digit in our result. 
Result so far: 8832.0
The remainder is 26 after subtracting 180 from 206.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Advancing to step 7:
When dividing 260 by 90, we get 2 with a remainder of 80.
Write down 2 as next digit of the result. 
Result so far: 8832.2
Deduct 180 from 260 and we're left with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Let's proceed to step 8:
90 can be fit into 800 8 times, resulting in a remainder of 80.
Write down 8 as next digit of the result. 
Result so far: 8832.28
The remainder is 80 after subtracting 720 from 800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Let's proceed to step 9:
If we divide 800 by 90, we get 8 and a remainder of 80.
Write down 8 as next digit of the result. 
Result so far: 8832.288
If we subtract 720 from 800, we get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

The final result is 8832.288 with a remainder of 0.008.