903218 divided by 20 
The aim is to understand the frequency of 20 in 903218.

Going ahead to step 1:
The number 20 fits into 9 0 times, leaving a remainder of 9.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Grab the next digit (0) from the dividend, add it to 9, then carry on: 90 / 20

Going ahead to step 2:
90 divided by 20 is 4 with a remainder of 10.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
If we take 80 away from 90, we end up with 10.
Append the next digit (3) from the dividend to 10 and continue with: 103 / 20

On to step 3:
If we divide 103 by 20, we get 5 and a remainder of 3.
Write down 5 as next digit of the result. 
Result so far: 45.0
Subtract 100 from 103 to get 3.
Grab the next digit (2) from the dividend, add it to 3, then carry on: 32 / 20

Step 4:
The number 20 fits into 32 1 times, leaving a remainder of 12.
Record the quotient 1 as the next digit in the result. 
Result so far: 451.0
If we take 20 away from 32, we end up with 12.
Include the next digit (1) from the dividend after 12, then repeat: 121 / 20

Step 5:
If we divide 121 by 20, we get 6 and a remainder of 1.
Use 6 as the next digit of our solution. 
Result so far: 4516.0
Subtract 120 from 121 to get 1.
Append the next digit (8) from the dividend to 1 and continue with: 18 / 20

Step 6:
18 divided by 20 is 0 with a remainder of 18.
Put 0 as the next digit of the answer. 
Result so far: 45160.0
The remainder is 18 after subtracting 0 from 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Step 7:
20 can be fit into 180 9 times, resulting in a remainder of 0.
Use 9 as the next digit of our solution. 
Result so far: 45160.9
Subtracting 180 from 180 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.

Going ahead to step 8:
The number 20 fits into 0 0 times, leaving a remainder of 0.
The next digit of our result is 0. 
Result so far: 45160.9
Subtract 0 from 0 to get 0.
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 9:
20 goes into 0 0 times with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 45160.9
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.

The final outcome is 45160.9, with a leftover of 0.0.