221481 divided by 87 
The aim is to understand the frequency of 87 in 221481.

Moving on to step 1:
2 divided by 87 is 0 with a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 2 and we're left with 2.
Take the next digit (2) from the dividend and append it to 2, then repeat: 22 / 87

Let's proceed to step 2:
The number 87 fits into 22 0 times, leaving a remainder of 22.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 22, we end up with 22.
Take the next digit (1) from the dividend and append it to 22, then repeat: 221 / 87

Going ahead to step 3:
87 can be fit into 221 2 times, resulting in a remainder of 47.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
The remainder is 47 after subtracting 174 from 221.
Take the next digit (4) from the dividend and append it to 47, then repeat: 474 / 87

Step 4:
87 can be fit into 474 5 times, resulting in a remainder of 39.
Put 5 as the next digit of the answer. 
Result so far: 25.0
If we take 435 away from 474, we end up with 39.
Include the next digit (8) from the dividend after 39, then repeat: 398 / 87

Going ahead to step 5:
87 goes into 398 4 times with a remainder of 50.
The next digit of our result is 4. 
Result so far: 254.0
If we take 348 away from 398, we end up with 50.
Fetch the next digit (1) from the dividend, attach it to 50 and continue: 501 / 87

Advancing to step 6:
If we divide 501 by 87, we get 5 and a remainder of 66.
Record the quotient 5 as the next digit in the result. 
Result so far: 2545.0
Subtracting 435 from 501 leaves us with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Step 7:
The number 87 fits into 660 7 times, leaving a remainder of 51.
The number 7 becomes the next digit in our result. 
Result so far: 2545.7
If we take 609 away from 660, we end up with 51.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

Advancing to step 8:
87 can be fit into 510 5 times, resulting in a remainder of 75.
Write down 5 as next digit of the result. 
Result so far: 2545.75
If we take 435 away from 510, we end up with 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

On to step 9:
When dividing 750 by 87, we get 8 with a remainder of 54.
Use 8 as the next digit of our solution. 
Result so far: 2545.758
Subtracting 696 from 750 leaves us with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Step 10:
87 can be fit into 540 6 times, resulting in a remainder of 18.
The next digit of our result is 6. 
Result so far: 2545.7586
Subtracting 522 from 540 leaves us with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Moving on to step 11:
The number 87 fits into 180 2 times, leaving a remainder of 6.
Record the quotient 2 as the next digit in the result. 
Result so far: 2545.75862
Deduct 174 from 180 and we're left 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.

Let's proceed to step 12:
87 goes into 60 0 times with a remainder of 60.
The number 0 becomes the next digit in our result. 
Result so far: 2545.75862
Subtract 0 from 60 to get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Moving on to step 13:
When dividing 600 by 87, we get 6 with a remainder of 78.
Put 6 as the next digit of the answer. 
Result so far: 2545.7586206
If we subtract 522 from 600, we get 78.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

Going ahead to step 14:
The number 87 fits into 780 8 times, leaving a remainder of 84.
Use 8 as the next digit of our solution. 
Result so far: 2545.75862068
Subtract 696 from 780 to get 84.
Since there are no more digits in the dividend, we add a zero to the remainder making it 840, and continue the process.

The quotient of the division is 2545.75862068, and the remainder is 8.4e-08.