We're dividing 83872239 by 707 
The aim is to understand the frequency of 707 in 83872239.

Step 1:
When dividing 8 by 707, we get 0 with a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Take the next digit (3) from the dividend and append it to 8, then repeat: 83 / 707

Advancing to step 2:
707 goes into 83 0 times with a remainder of 83.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 83 leaves us with 83.
Grab the next digit (8) from the dividend, add it to 83, then carry on: 838 / 707

Moving on to step 3:
If we divide 838 by 707, we get 1 and a remainder of 131.
The next digit of our result is 1. 
Result so far: 1.0
Subtract 707 from 838 to get 131.
Grab the next digit (7) from the dividend, add it to 131, then carry on: 1317 / 707

Going ahead to step 4:
The number 707 fits into 1317 1 times, leaving a remainder of 610.
Use 1 as the next digit of our solution. 
Result so far: 11.0
The remainder is 610 after subtracting 707 from 1317.
Include the next digit (2) from the dividend after 610, then repeat: 6102 / 707

On to step 5:
When dividing 6102 by 707, we get 8 with a remainder of 446.
Write down 8 as next digit of the result. 
Result so far: 118.0
Deduct 5656 from 6102 and we're left with 446.
Bring next digit (2) of the dividend behind the 446 and repeat the process: 4462 / 707

Going ahead to step 6:
707 goes into 4462 6 times with a remainder of 220.
Write down 6 as next digit of the result. 
Result so far: 1186.0
Subtracting 4242 from 4462 leaves us with 220.
Grab the next digit (3) from the dividend, add it to 220, then carry on: 2203 / 707

Moving on to step 7:
The number 707 fits into 2203 3 times, leaving a remainder of 82.
Write down 3 as next digit of the result. 
Result so far: 11863.0
Deduct 2121 from 2203 and we're left with 82.
Include the next digit (9) from the dividend after 82, then repeat: 829 / 707

Step 8:
707 goes into 829 1 times with a remainder of 122.
Record the quotient 1 as the next digit in the result. 
Result so far: 118631.0
Subtract 707 from 829 to get 122.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1220, and continue the process.

Step 9:
707 can be fit into 1220 1 times, resulting in a remainder of 513.
Write down 1 as next digit of the result. 
Result so far: 118631.1
Deduct 707 from 1220 and we're left with 513.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5130, and continue the process.

Moving on to step 10:
The number 707 fits into 5130 7 times, leaving a remainder of 181.
Put 7 as the next digit of the answer. 
Result so far: 118631.17
If we take 4949 away from 5130, we end up with 181.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1810, and continue the process.

Step 11:
If we divide 1810 by 707, we get 2 and a remainder of 396.
Record the quotient 2 as the next digit in the result. 
Result so far: 118631.172
Subtract 1414 from 1810 to get 396.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3960, and continue the process.

Moving on to step 12:
707 goes into 3960 5 times with a remainder of 425.
Write down 5 as next digit of the result. 
Result so far: 118631.1725
If we take 3535 away from 3960, we end up with 425.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4250, and continue the process.

Moving on to step 13:
707 can be fit into 4250 6 times, resulting in a remainder of 8.
Use 6 as the next digit of our solution. 
Result so far: 118631.17256
Subtracting 4242 from 4250 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Going ahead to step 14:
707 goes into 80 0 times with a remainder of 80.
Use 0 as the next digit of our solution. 
Result so far: 118631.17256
Subtract 0 from 80 to get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Let's proceed to step 15:
707 can be fit into 800 1 times, resulting in a remainder of 93.
The number 1 becomes the next digit in our result. 
Result so far: 118631.1725601
Deduct 707 from 800 and we're left with 93.
Since there are no more digits in the dividend, we add a zero to the remainder making it 930, and continue the process.

Advancing to step 16:
When dividing 930 by 707, we get 1 with a remainder of 223.
The next digit of our result is 1. 
Result so far: 118631.17256011
If we take 707 away from 930, we end up with 223.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2230, and continue the process.

The final outcome is 118631.17256011, with a leftover of 2.23e-07.