We look at the division of 381805 by 61 
The aim is to understand the frequency of 61 in 381805.

Let's proceed to step 1:
61 goes into 3 0 times with a remainder of 3.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Bring next digit (8) of the dividend behind the 3 and repeat the process: 38 / 61

Moving on to step 2:
38 divided by 61 is 0 with a remainder of 38.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 38 after subtracting 0 from 38.
Bring next digit (1) of the dividend behind the 38 and repeat the process: 381 / 61

Going ahead to step 3:
The number 61 fits into 381 6 times, leaving a remainder of 15.
Use 6 as the next digit of our solution. 
Result so far: 6.0
Deduct 366 from 381 and we're left with 15.
Take the next digit (8) from the dividend and append it to 15, then repeat: 158 / 61

On to step 4:
When dividing 158 by 61, we get 2 with a remainder of 36.
Write down 2 as next digit of the result. 
Result so far: 62.0
If we subtract 122 from 158, we get 36.
Fetch the next digit (0) from the dividend, attach it to 36 and continue: 360 / 61

On to step 5:
When dividing 360 by 61, we get 5 with a remainder of 55.
The number 5 becomes the next digit in our result. 
Result so far: 625.0
If we subtract 305 from 360, we get 55.
Bring next digit (5) of the dividend behind the 55 and repeat the process: 555 / 61

Going ahead to step 6:
61 goes into 555 9 times with a remainder of 6.
Write down 9 as next digit of the result. 
Result so far: 6259.0
The remainder is 6 after subtracting 549 from 555.
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:
61 goes into 60 0 times with a remainder of 60.
Record the quotient 0 as the next digit in the result. 
Result so far: 6259.0
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.

Step 8:
The number 61 fits into 600 9 times, leaving a remainder of 51.
Record the quotient 9 as the next digit in the result. 
Result so far: 6259.09
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 9:
61 can be fit into 510 8 times, resulting in a remainder of 22.
Put 8 as the next digit of the answer. 
Result so far: 6259.098
Subtract 488 from 510 to get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

On to step 10:
When dividing 220 by 61, we get 3 with a remainder of 37.
Record the quotient 3 as the next digit in the result. 
Result so far: 6259.0983
Subtracting 183 from 220 leaves us with 37.
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 11:
If we divide 370 by 61, we get 6 and a remainder of 4.
Record the quotient 6 as the next digit in the result. 
Result so far: 6259.09836
If we subtract 366 from 370, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Advancing to step 12:
The number 61 fits into 40 0 times, leaving a remainder of 40.
Write down 0 as next digit of the result. 
Result so far: 6259.09836
Subtract 0 from 40 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 13:
61 goes into 400 6 times with a remainder of 34.
The number 6 becomes the next digit in our result. 
Result so far: 6259.0983606
The remainder is 34 after subtracting 366 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Step 14:
The number 61 fits into 340 5 times, leaving a remainder of 35.
Write down 5 as next digit of the result. 
Result so far: 6259.09836065
The remainder is 35 after subtracting 305 from 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

The quotient of the division is 6259.09836065, and the remainder is 3.5e-08.