18409876 ÷ 898 
The aim is to understand the frequency of 898 in 18409876.

Let's proceed to step 1:
When dividing 1 by 898, we get 0 with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Grab the next digit (8) from the dividend, add it to 1, then carry on: 18 / 898

Let's proceed to step 2:
898 can be fit into 18 0 times, resulting in a remainder of 18.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 18 leaves us with 18.
Fetch the next digit (4) from the dividend, attach it to 18 and continue: 184 / 898

Going ahead to step 3:
184 divided by 898 is 0 with a remainder of 184.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 184, we get 184.
Take the next digit (0) from the dividend and append it to 184, then repeat: 1840 / 898

Let's proceed to step 4:
When dividing 1840 by 898, we get 2 with a remainder of 44.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
Deduct 1796 from 1840 and we're left with 44.
Fetch the next digit (9) from the dividend, attach it to 44 and continue: 449 / 898

On to step 5:
When dividing 449 by 898, we get 0 with a remainder of 449.
Record the quotient 0 as the next digit in the result. 
Result so far: 20.0
If we subtract 0 from 449, we get 449.
Take the next digit (8) from the dividend and append it to 449, then repeat: 4498 / 898

Going ahead to step 6:
If we divide 4498 by 898, we get 5 and a remainder of 8.
Put 5 as the next digit of the answer. 
Result so far: 205.0
The remainder is 8 after subtracting 4490 from 4498.
Bring next digit (7) of the dividend behind the 8 and repeat the process: 87 / 898

Step 7:
898 can be fit into 87 0 times, resulting in a remainder of 87.
Write down 0 as next digit of the result. 
Result so far: 2050.0
The remainder is 87 after subtracting 0 from 87.
Grab the next digit (6) from the dividend, add it to 87, then carry on: 876 / 898

On to step 8:
898 can be fit into 876 0 times, resulting in a remainder of 876.
The number 0 becomes the next digit in our result. 
Result so far: 20500.0
If we subtract 0 from 876, we get 876.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8760, and continue the process.

On to step 9:
898 can be fit into 8760 9 times, resulting in a remainder of 678.
The next digit of our result is 9. 
Result so far: 20500.9
Subtracting 8082 from 8760 leaves us with 678.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6780, and continue the process.

Step 10:
898 goes into 6780 7 times with a remainder of 494.
Record the quotient 7 as the next digit in the result. 
Result so far: 20500.97
Subtracting 6286 from 6780 leaves us with 494.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4940, and continue the process.

Going ahead to step 11:
898 can be fit into 4940 5 times, resulting in a remainder of 450.
Put 5 as the next digit of the answer. 
Result so far: 20500.975
Deduct 4490 from 4940 and we're left with 450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4500, and continue the process.

Moving on to step 12:
If we divide 4500 by 898, we get 5 and a remainder of 10.
Use 5 as the next digit of our solution. 
Result so far: 20500.9755
Subtract 4490 from 4500 to 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.

Our division results in 20500.9755 with a remaining 0.0001.