We're dividing 42381959 by 806 
The aim is to understand the frequency of 806 in 42381959.

Going ahead to step 1:
806 can be fit into 4 0 times, resulting in a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Append the next digit (2) from the dividend to 4 and continue with: 42 / 806

Moving on to step 2:
When dividing 42 by 806, we get 0 with a remainder of 42.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 42 leaves us with 42.
Append the next digit (3) from the dividend to 42 and continue with: 423 / 806

Let's proceed to step 3:
806 goes into 423 0 times with a remainder of 423.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 423, we get 423.
Bring next digit (8) of the dividend behind the 423 and repeat the process: 4238 / 806

On to step 4:
806 can be fit into 4238 5 times, resulting in a remainder of 208.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
If we subtract 4030 from 4238, we get 208.
Fetch the next digit (1) from the dividend, attach it to 208 and continue: 2081 / 806

On to step 5:
If we divide 2081 by 806, we get 2 and a remainder of 469.
Record the quotient 2 as the next digit in the result. 
Result so far: 52.0
Subtract 1612 from 2081 to get 469.
Append the next digit (9) from the dividend to 469 and continue with: 4699 / 806

Let's proceed to step 6:
The number 806 fits into 4699 5 times, leaving a remainder of 669.
The next digit of our result is 5. 
Result so far: 525.0
Subtract 4030 from 4699 to get 669.
Append the next digit (5) from the dividend to 669 and continue with: 6695 / 806

Going ahead to step 7:
When dividing 6695 by 806, we get 8 with a remainder of 247.
Put 8 as the next digit of the answer. 
Result so far: 5258.0
The remainder is 247 after subtracting 6448 from 6695.
Include the next digit (9) from the dividend after 247, then repeat: 2479 / 806

Step 8:
If we divide 2479 by 806, we get 3 and a remainder of 61.
Put 3 as the next digit of the answer. 
Result so far: 52583.0
If we subtract 2418 from 2479, we get 61.
Since there are no more digits in the dividend, we add a zero to the remainder making it 610, and continue the process.

Moving on to step 9:
806 goes into 610 0 times with a remainder of 610.
Record the quotient 0 as the next digit in the result. 
Result so far: 52583.0
Subtracting 0 from 610 leaves us with 610.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6100, and continue the process.

On to step 10:
If we divide 6100 by 806, we get 7 and a remainder of 458.
Record the quotient 7 as the next digit in the result. 
Result so far: 52583.07
Subtracting 5642 from 6100 leaves us with 458.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4580, and continue the process.

On to step 11:
The number 806 fits into 4580 5 times, leaving a remainder of 550.
Record the quotient 5 as the next digit in the result. 
Result so far: 52583.075
Subtract 4030 from 4580 to get 550.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5500, and continue the process.

Step 12:
When dividing 5500 by 806, we get 6 with a remainder of 664.
Put 6 as the next digit of the answer. 
Result so far: 52583.0756
If we take 4836 away from 5500, we end up with 664.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6640, and continue the process.

On to step 13:
806 goes into 6640 8 times with a remainder of 192.
Record the quotient 8 as the next digit in the result. 
Result so far: 52583.07568
If we take 6448 away from 6640, we end up with 192.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1920, and continue the process.

Advancing to step 14:
If we divide 1920 by 806, we get 2 and a remainder of 308.
Write down 2 as next digit of the result. 
Result so far: 52583.075682
Deduct 1612 from 1920 and we're left with 308.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3080, and continue the process.

On to step 15:
When dividing 3080 by 806, we get 3 with a remainder of 662.
Put 3 as the next digit of the answer. 
Result so far: 52583.0756823
If we take 2418 away from 3080, we end up with 662.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6620, and continue the process.

Let's proceed to step 16:
806 can be fit into 6620 8 times, resulting in a remainder of 172.
Record the quotient 8 as the next digit in the result. 
Result so far: 52583.07568238
Subtracting 6448 from 6620 leaves us with 172.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1720, and continue the process.

The quotient of the division is 52583.07568238, and the remainder is 1.72e-07.