919409 divided by 87 
The aim is to understand the frequency of 87 in 919409.

Let's proceed to step 1:
87 can be fit into 9 0 times, resulting in a remainder of 9.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Include the next digit (1) from the dividend after 9, then repeat: 91 / 87

Step 2:
87 can be fit into 91 1 times, resulting in a remainder of 4.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtract 87 from 91 to get 4.
Include the next digit (9) from the dividend after 4, then repeat: 49 / 87

Advancing to step 3:
If we divide 49 by 87, we get 0 and a remainder of 49.
Write down 0 as next digit of the result. 
Result so far: 10.0
If we take 0 away from 49, we end up with 49.
Grab the next digit (4) from the dividend, add it to 49, then carry on: 494 / 87

Moving on to step 4:
The number 87 fits into 494 5 times, leaving a remainder of 59.
Put 5 as the next digit of the answer. 
Result so far: 105.0
If we take 435 away from 494, we end up with 59.
Fetch the next digit (0) from the dividend, attach it to 59 and continue: 590 / 87

Going ahead to step 5:
87 can be fit into 590 6 times, resulting in a remainder of 68.
The next digit of our result is 6. 
Result so far: 1056.0
If we take 522 away from 590, we end up with 68.
Append the next digit (9) from the dividend to 68 and continue with: 689 / 87

Advancing to step 6:
87 goes into 689 7 times with a remainder of 80.
Write down 7 as next digit of the result. 
Result so far: 10567.0
If we subtract 609 from 689, we get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Advancing to step 7:
The number 87 fits into 800 9 times, leaving a remainder of 17.
Record the quotient 9 as the next digit in the result. 
Result so far: 10567.9
Subtracting 783 from 800 leaves us with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Let's proceed to step 8:
When dividing 170 by 87, we get 1 with a remainder of 83.
Use 1 as the next digit of our solution. 
Result so far: 10567.91
If we take 87 away from 170, we end up with 83.
Since there are no more digits in the dividend, we add a zero to the remainder making it 830, and continue the process.

Let's proceed to step 9:
87 goes into 830 9 times with a remainder of 47.
The next digit of our result is 9. 
Result so far: 10567.919
Subtract 783 from 830 to get 47.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

Moving on to step 10:
87 can be fit into 470 5 times, resulting in a remainder of 35.
Put 5 as the next digit of the answer. 
Result so far: 10567.9195
If we take 435 away from 470, we end up with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

On to step 11:
350 divided by 87 is 4 with a remainder of 2.
The next digit of our result is 4. 
Result so far: 10567.91954
Deduct 348 from 350 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.

Going ahead to step 12:
87 can be fit into 20 0 times, resulting in a remainder of 20.
Write down 0 as next digit of the result. 
Result so far: 10567.91954
The remainder is 20 after subtracting 0 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Advancing to step 13:
If we divide 200 by 87, we get 2 and a remainder of 26.
The next digit of our result is 2. 
Result so far: 10567.9195402
Deduct 174 from 200 and we're left with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Step 14:
87 can be fit into 260 2 times, resulting in a remainder of 86.
The number 2 becomes the next digit in our result. 
Result so far: 10567.91954022
Deduct 174 from 260 and we're left with 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

Our division results in 10567.91954022 with a remaining 8.6e-08.