486324 ÷ 90 
The aim is to understand the frequency of 90 in 486324.

On to step 1:
90 can be fit into 4 0 times, resulting in a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Append the next digit (8) from the dividend to 4 and continue with: 48 / 90

On to step 2:
The number 90 fits into 48 0 times, leaving a remainder of 48.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 48 leaves us with 48.
Bring next digit (6) of the dividend behind the 48 and repeat the process: 486 / 90

Step 3:
90 goes into 486 5 times with a remainder of 36.
Put 5 as the next digit of the answer. 
Result so far: 5.0
Subtract 450 from 486 to get 36.
Grab the next digit (3) from the dividend, add it to 36, then carry on: 363 / 90

Moving on to step 4:
363 divided by 90 is 4 with a remainder of 3.
Write down 4 as next digit of the result. 
Result so far: 54.0
Subtracting 360 from 363 leaves us with 3.
Bring next digit (2) of the dividend behind the 3 and repeat the process: 32 / 90

Let's proceed to step 5:
The number 90 fits into 32 0 times, leaving a remainder of 32.
Use 0 as the next digit of our solution. 
Result so far: 540.0
Subtracting 0 from 32 leaves us with 32.
Fetch the next digit (4) from the dividend, attach it to 32 and continue: 324 / 90

Step 6:
324 divided by 90 is 3 with a remainder of 54.
Write down 3 as next digit of the result. 
Result so far: 5403.0
If we subtract 270 from 324, we get 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Let's proceed to step 7:
90 can be fit into 540 6 times, resulting in a remainder of 0.
Put 6 as the next digit of the answer. 
Result so far: 5403.6
The remainder is 0 after subtracting 540 from 540.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 8:
When dividing 0 by 90, we get 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 5403.6
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 9:
0 divided by 90 is 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 5403.6
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

In conclusion, the division gives 5403.6 with a balance of 0.0.