We divide 409884 by 7
The aim is to understand the frequency of 7 in 409884.

On to step 1:
7 can be fit into 4 0 times, resulting in a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Fetch the next digit (0) from the dividend, attach it to 4 and continue: 40 / 7

Going ahead to step 2:
40 divided by 7 is 5 with a remainder of 5.
Put 5 as the next digit of the answer. 
Result so far: 5.0
The remainder is 5 after subtracting 35 from 40.
Bring next digit (9) of the dividend behind the 5 and repeat the process: 59 / 7

Going ahead to step 3:
7 can be fit into 59 8 times, resulting in a remainder of 3.
The next digit of our result is 8. 
Result so far: 58.0
Deduct 56 from 59 and we're left with 3.
Grab the next digit (8) from the dividend, add it to 3, then carry on: 38 / 7

Moving on to step 4:
When dividing 38 by 7, we get 5 with a remainder of 3.
Put 5 as the next digit of the answer. 
Result so far: 585.0
Subtract 35 from 38 to get 3.
Append the next digit (8) from the dividend to 3 and continue with: 38 / 7

Step 5:
When dividing 38 by 7, we get 5 with a remainder of 3.
The number 5 becomes the next digit in our result. 
Result so far: 5855.0
Subtracting 35 from 38 leaves us with 3.
Bring next digit (4) of the dividend behind the 3 and repeat the process: 34 / 7

Let's proceed to step 6:
34 divided by 7 is 4 with a remainder of 6.
Write down 4 as next digit of the result. 
Result so far: 58554.0
If we take 28 away from 34, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Advancing to step 7:
7 goes into 60 8 times with a remainder of 4.
Record the quotient 8 as the next digit in the result. 
Result so far: 58554.8
Subtracting 56 from 60 leaves us 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.

Let's proceed to step 8:
If we divide 40 by 7, we get 5 and a remainder of 5.
Put 5 as the next digit of the answer. 
Result so far: 58554.85
If we take 35 away from 40, we end up 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.

Advancing to step 9:
7 can be fit into 50 7 times, resulting in a remainder of 1.
The next digit of our result is 7. 
Result so far: 58554.857
Subtract 49 from 50 to 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.

On to step 10:
If we divide 10 by 7, we get 1 and a remainder of 3.
The next digit of our result is 1. 
Result so far: 58554.8571
The remainder is 3 after subtracting 7 from 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Moving on to step 11:
When dividing 30 by 7, we get 4 with a remainder of 2.
Write down 4 as next digit of the result. 
Result so far: 58554.85714
Deduct 28 from 30 and we're left 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.

Moving on to step 12:
20 divided by 7 is 2 with a remainder of 6.
The next digit of our result is 2. 
Result so far: 58554.857142
Subtract 14 from 20 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Let's proceed to step 13:
The number 7 fits into 60 8 times, leaving a remainder of 4.
Use 8 as the next digit of our solution. 
Result so far: 58554.8571428
The remainder is 4 after subtracting 56 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Advancing to step 14:
If we divide 40 by 7, we get 5 and a remainder of 5.
Use 5 as the next digit of our solution. 
Result so far: 58554.85714285
Subtracting 35 from 40 leaves us 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.

The final result is 58554.85714285 with a remainder of 5e-09.