161811 divided by 67 
The aim is to understand the frequency of 67 in 161811.

Step 1:
67 goes into 1 0 times with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Append the next digit (6) from the dividend to 1 and continue with: 16 / 67

Going ahead to step 2:
67 can be fit into 16 0 times, resulting in a remainder of 16.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 16, we end up with 16.
Grab the next digit (1) from the dividend, add it to 16, then carry on: 161 / 67

Going ahead to step 3:
The number 67 fits into 161 2 times, leaving a remainder of 27.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
If we take 134 away from 161, we end up with 27.
Grab the next digit (8) from the dividend, add it to 27, then carry on: 278 / 67

Moving on to step 4:
If we divide 278 by 67, we get 4 and a remainder of 10.
Put 4 as the next digit of the answer. 
Result so far: 24.0
The remainder is 10 after subtracting 268 from 278.
Append the next digit (1) from the dividend to 10 and continue with: 101 / 67

Step 5:
101 divided by 67 is 1 with a remainder of 34.
The next digit of our result is 1. 
Result so far: 241.0
If we take 67 away from 101, we end up with 34.
Include the next digit (1) from the dividend after 34, then repeat: 341 / 67

Let's proceed to step 6:
67 goes into 341 5 times with a remainder of 6.
Write down 5 as next digit of the result. 
Result so far: 2415.0
The remainder is 6 after subtracting 335 from 341.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Moving on to step 7:
60 divided by 67 is 0 with a remainder of 60.
Put 0 as the next digit of the answer. 
Result so far: 2415.0
If we subtract 0 from 60, we 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 8:
600 divided by 67 is 8 with a remainder of 64.
Use 8 as the next digit of our solution. 
Result so far: 2415.08
If we subtract 536 from 600, we get 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Advancing to step 9:
When dividing 640 by 67, we get 9 with a remainder of 37.
Use 9 as the next digit of our solution. 
Result so far: 2415.089
The remainder is 37 after subtracting 603 from 640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

Moving on to step 10:
The number 67 fits into 370 5 times, leaving a remainder of 35.
Use 5 as the next digit of our solution. 
Result so far: 2415.0895
Subtracting 335 from 370 leaves us 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.

Going ahead to step 11:
67 goes into 350 5 times with a remainder of 15.
The next digit of our result is 5. 
Result so far: 2415.08955
If we subtract 335 from 350, we get 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

After the division, we end up with 2415.08955 and a remainder of 1.5e-05.