851416 ÷ 20 
The aim is to understand the frequency of 20 in 851416.

Step 1:
When dividing 8 by 20, we get 0 with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Include the next digit (5) from the dividend after 8, then repeat: 85 / 20

Step 2:
20 goes into 85 4 times with a remainder of 5.
The next digit of our result is 4. 
Result so far: 4.0
Deduct 80 from 85 and we're left with 5.
Include the next digit (1) from the dividend after 5, then repeat: 51 / 20

Moving on to step 3:
51 divided by 20 is 2 with a remainder of 11.
Use 2 as the next digit of our solution. 
Result so far: 42.0
Subtracting 40 from 51 leaves us with 11.
Take the next digit (4) from the dividend and append it to 11, then repeat: 114 / 20

Let's proceed to step 4:
When dividing 114 by 20, we get 5 with a remainder of 14.
The next digit of our result is 5. 
Result so far: 425.0
If we take 100 away from 114, we end up with 14.
Grab the next digit (1) from the dividend, add it to 14, then carry on: 141 / 20

Step 5:
20 can be fit into 141 7 times, resulting in a remainder of 1.
The number 7 becomes the next digit in our result. 
Result so far: 4257.0
Subtracting 140 from 141 leaves us with 1.
Fetch the next digit (6) from the dividend, attach it to 1 and continue: 16 / 20

Going ahead to step 6:
The number 20 fits into 16 0 times, leaving a remainder of 16.
Record the quotient 0 as the next digit in the result. 
Result so far: 42570.0
The remainder is 16 after subtracting 0 from 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Moving on to step 7:
If we divide 160 by 20, we get 8 and a remainder of 0.
Record the quotient 8 as the next digit in the result. 
Result so far: 42570.8
Subtracting 160 from 160 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.

Let's proceed to step 8:
0 divided by 20 is 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 42570.8
If we subtract 0 from 0, we 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.

Moving on to step 9:
If we divide 0 by 20, we get 0 and a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 42570.8
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.

After the division, we end up with 42570.8 and a remainder of 0.0.