20087261 ÷ 687 
The aim is to understand the frequency of 687 in 20087261.

Let's proceed to step 1:
If we divide 2 by 687, we get 0 and a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Grab the next digit (0) from the dividend, add it to 2, then carry on: 20 / 687

Going ahead to step 2:
The number 687 fits into 20 0 times, leaving a remainder of 20.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 20 to get 20.
Append the next digit (0) from the dividend to 20 and continue with: 200 / 687

Let's proceed to step 3:
The number 687 fits into 200 0 times, leaving a remainder of 200.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 200 to get 200.
Append the next digit (8) from the dividend to 200 and continue with: 2008 / 687

Let's proceed to step 4:
687 can be fit into 2008 2 times, resulting in a remainder of 634.
The next digit of our result is 2. 
Result so far: 2.0
If we subtract 1374 from 2008, we get 634.
Bring next digit (7) of the dividend behind the 634 and repeat the process: 6347 / 687

Let's proceed to step 5:
The number 687 fits into 6347 9 times, leaving a remainder of 164.
Record the quotient 9 as the next digit in the result. 
Result so far: 29.0
If we subtract 6183 from 6347, we get 164.
Take the next digit (2) from the dividend and append it to 164, then repeat: 1642 / 687

Moving on to step 6:
If we divide 1642 by 687, we get 2 and a remainder of 268.
Use 2 as the next digit of our solution. 
Result so far: 292.0
Subtracting 1374 from 1642 leaves us with 268.
Bring next digit (6) of the dividend behind the 268 and repeat the process: 2686 / 687

Advancing to step 7:
The number 687 fits into 2686 3 times, leaving a remainder of 625.
Write down 3 as next digit of the result. 
Result so far: 2923.0
The remainder is 625 after subtracting 2061 from 2686.
Include the next digit (1) from the dividend after 625, then repeat: 6251 / 687

Let's proceed to step 8:
The number 687 fits into 6251 9 times, leaving a remainder of 68.
The next digit of our result is 9. 
Result so far: 29239.0
Subtracting 6183 from 6251 leaves us with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

On to step 9:
680 divided by 687 is 0 with a remainder of 680.
Use 0 as the next digit of our solution. 
Result so far: 29239.0
Subtracting 0 from 680 leaves us with 680.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6800, and continue the process.

Moving on to step 10:
6800 divided by 687 is 9 with a remainder of 617.
Put 9 as the next digit of the answer. 
Result so far: 29239.09
Deduct 6183 from 6800 and we're left with 617.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6170, and continue the process.

Let's proceed to step 11:
687 goes into 6170 8 times with a remainder of 674.
Use 8 as the next digit of our solution. 
Result so far: 29239.098
If we subtract 5496 from 6170, we get 674.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6740, and continue the process.

On to step 12:
687 can be fit into 6740 9 times, resulting in a remainder of 557.
Write down 9 as next digit of the result. 
Result so far: 29239.0989
If we take 6183 away from 6740, we end up with 557.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5570, and continue the process.

Advancing to step 13:
The number 687 fits into 5570 8 times, leaving a remainder of 74.
Record the quotient 8 as the next digit in the result. 
Result so far: 29239.09898
If we subtract 5496 from 5570, we get 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Advancing to step 14:
If we divide 740 by 687, we get 1 and a remainder of 53.
Record the quotient 1 as the next digit in the result. 
Result so far: 29239.098981
The remainder is 53 after subtracting 687 from 740.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

Step 15:
687 goes into 530 0 times with a remainder of 530.
Put 0 as the next digit of the answer. 
Result so far: 29239.098981
If we take 0 away from 530, we end up with 530.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5300, and continue the process.

On to step 16:
5300 divided by 687 is 7 with a remainder of 491.
Use 7 as the next digit of our solution. 
Result so far: 29239.09898107
If we take 4809 away from 5300, we end up with 491.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4910, and continue the process.

The quotient of the division is 29239.09898107, and the remainder is 4.91e-07.