974035 divided by 90 
The aim is to understand the frequency of 90 in 974035.

On to step 1:
9 divided by 90 is 0 with a remainder of 9.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Include the next digit (7) from the dividend after 9, then repeat: 97 / 90

Advancing to step 2:
90 goes into 97 1 times with a remainder of 7.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtract 90 from 97 to get 7.
Bring next digit (4) of the dividend behind the 7 and repeat the process: 74 / 90

Step 3:
When dividing 74 by 90, we get 0 with a remainder of 74.
The number 0 becomes the next digit in our result. 
Result so far: 10.0
If we take 0 away from 74, we end up with 74.
Bring next digit (0) of the dividend behind the 74 and repeat the process: 740 / 90

Step 4:
90 can be fit into 740 8 times, resulting in a remainder of 20.
Put 8 as the next digit of the answer. 
Result so far: 108.0
Subtract 720 from 740 to get 20.
Take the next digit (3) from the dividend and append it to 20, then repeat: 203 / 90

Step 5:
If we divide 203 by 90, we get 2 and a remainder of 23.
Record the quotient 2 as the next digit in the result. 
Result so far: 1082.0
The remainder is 23 after subtracting 180 from 203.
Take the next digit (5) from the dividend and append it to 23, then repeat: 235 / 90

Going ahead to step 6:
The number 90 fits into 235 2 times, leaving a remainder of 55.
Put 2 as the next digit of the answer. 
Result so far: 10822.0
If we subtract 180 from 235, we get 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

Going ahead to step 7:
When dividing 550 by 90, we get 6 with a remainder of 10.
Use 6 as the next digit of our solution. 
Result so far: 10822.6
Subtracting 540 from 550 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 8:
When dividing 100 by 90, we get 1 with a remainder of 10.
The next digit of our result is 1. 
Result so far: 10822.61
Deduct 90 from 100 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Moving on to step 9:
90 goes into 100 1 times with a remainder of 10.
Write down 1 as next digit of the result. 
Result so far: 10822.611
If we take 90 away from 100, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

After the division, we end up with 10822.611 and a remainder of 0.001.