201813 divided by 549 
The aim is to understand the frequency of 549 in 201813.

Going ahead to step 1:
If we divide 2 by 549, we get 0 and a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Bring next digit (0) of the dividend behind the 2 and repeat the process: 20 / 549

Let's proceed to step 2:
549 goes into 20 0 times with a remainder of 20.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 20, we get 20.
Grab the next digit (1) from the dividend, add it to 20, then carry on: 201 / 549

Step 3:
549 can be fit into 201 0 times, resulting in a remainder of 201.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 201 and we're left with 201.
Append the next digit (8) from the dividend to 201 and continue with: 2018 / 549

Advancing to step 4:
549 can be fit into 2018 3 times, resulting in a remainder of 371.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
If we take 1647 away from 2018, we end up with 371.
Bring next digit (1) of the dividend behind the 371 and repeat the process: 3711 / 549

Let's proceed to step 5:
The number 549 fits into 3711 6 times, leaving a remainder of 417.
Put 6 as the next digit of the answer. 
Result so far: 36.0
Subtract 3294 from 3711 to get 417.
Include the next digit (3) from the dividend after 417, then repeat: 4173 / 549

Advancing to step 6:
The number 549 fits into 4173 7 times, leaving a remainder of 330.
Put 7 as the next digit of the answer. 
Result so far: 367.0
If we take 3843 away from 4173, we end up with 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

Advancing to step 7:
549 goes into 3300 6 times with a remainder of 6.
Record the quotient 6 as the next digit in the result. 
Result so far: 367.6
Subtracting 3294 from 3300 leaves us 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 8:
549 can be fit into 60 0 times, resulting in a remainder of 60.
Record the quotient 0 as the next digit in the result. 
Result so far: 367.6
The remainder is 60 after subtracting 0 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Step 9:
When dividing 600 by 549, we get 1 with a remainder of 51.
The next digit of our result is 1. 
Result so far: 367.601
Subtracting 549 from 600 leaves us 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.

Moving on to step 10:
510 divided by 549 is 0 with a remainder of 510.
The next digit of our result is 0. 
Result so far: 367.601
If we subtract 0 from 510, we get 510.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5100, and continue the process.

Moving on to step 11:
549 can be fit into 5100 9 times, resulting in a remainder of 159.
Put 9 as the next digit of the answer. 
Result so far: 367.60109
The remainder is 159 after subtracting 4941 from 5100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1590, and continue the process.

Going ahead to step 12:
549 goes into 1590 2 times with a remainder of 492.
Record the quotient 2 as the next digit in the result. 
Result so far: 367.601092
Subtracting 1098 from 1590 leaves us with 492.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4920, and continue the process.

Advancing to step 13:
549 can be fit into 4920 8 times, resulting in a remainder of 528.
Put 8 as the next digit of the answer. 
Result so far: 367.6010928
Subtracting 4392 from 4920 leaves us with 528.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5280, and continue the process.

Let's proceed to step 14:
5280 divided by 549 is 9 with a remainder of 339.
Record the quotient 9 as the next digit in the result. 
Result so far: 367.60109289
If we take 4941 away from 5280, we end up with 339.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3390, and continue the process.

Our division results in 367.60109289 with a remaining 3.39e-07.