We're dividing 409976 by 19 
The aim is to understand the frequency of 19 in 409976.

Moving on to step 1:
19 goes into 4 0 times with a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 4 and we're left with 4.
Append the next digit (0) from the dividend to 4 and continue with: 40 / 19

Step 2:
40 divided by 19 is 2 with a remainder of 2.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Subtract 38 from 40 to get 2.
Include the next digit (9) from the dividend after 2, then repeat: 29 / 19

Advancing to step 3:
19 goes into 29 1 times with a remainder of 10.
Write down 1 as next digit of the result. 
Result so far: 21.0
Subtracting 19 from 29 leaves us with 10.
Bring next digit (9) of the dividend behind the 10 and repeat the process: 109 / 19

Going ahead to step 4:
If we divide 109 by 19, we get 5 and a remainder of 14.
Record the quotient 5 as the next digit in the result. 
Result so far: 215.0
If we take 95 away from 109, we end up with 14.
Take the next digit (7) from the dividend and append it to 14, then repeat: 147 / 19

Moving on to step 5:
When dividing 147 by 19, we get 7 with a remainder of 14.
Put 7 as the next digit of the answer. 
Result so far: 2157.0
Subtract 133 from 147 to get 14.
Take the next digit (6) from the dividend and append it to 14, then repeat: 146 / 19

Let's proceed to step 6:
If we divide 146 by 19, we get 7 and a remainder of 13.
Put 7 as the next digit of the answer. 
Result so far: 21577.0
The remainder is 13 after subtracting 133 from 146.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Going ahead to step 7:
19 goes into 130 6 times with a remainder of 16.
Write down 6 as next digit of the result. 
Result so far: 21577.6
If we take 114 away from 130, we end up with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Going ahead to step 8:
19 goes into 160 8 times with a remainder of 8.
Record the quotient 8 as the next digit in the result. 
Result so far: 21577.68
Deduct 152 from 160 and we're left with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Step 9:
19 goes into 80 4 times with a remainder of 4.
The number 4 becomes the next digit in our result. 
Result so far: 21577.684
If we take 76 away from 80, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 10:
40 divided by 19 is 2 with a remainder of 2.
Write down 2 as next digit of the result. 
Result so far: 21577.6842
If we take 38 away from 40, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 11:
19 goes into 20 1 times with a remainder of 1.
Use 1 as the next digit of our solution. 
Result so far: 21577.68421
If we subtract 19 from 20, we get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 12:
When dividing 10 by 19, we get 0 with a remainder of 10.
The number 0 becomes the next digit in our result. 
Result so far: 21577.68421
If we subtract 0 from 10, we get 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 13:
100 divided by 19 is 5 with a remainder of 5.
Use 5 as the next digit of our solution. 
Result so far: 21577.6842105
Deduct 95 from 100 and we're left with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Moving on to step 14:
19 can be fit into 50 2 times, resulting in a remainder of 12.
Put 2 as the next digit of the answer. 
Result so far: 21577.68421052
Subtract 38 from 50 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

The final result is 21577.68421052 with a remainder of 1.2e-08.