83710909 ÷ 88 
The aim is to understand the frequency of 88 in 83710909.

Step 1:
8 divided by 88 is 0 with a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Include the next digit (3) from the dividend after 8, then repeat: 83 / 88

Advancing to step 2:
When dividing 83 by 88, we get 0 with a remainder of 83.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 83 and we're left with 83.
Bring next digit (7) of the dividend behind the 83 and repeat the process: 837 / 88

Moving on to step 3:
If we divide 837 by 88, we get 9 and a remainder of 45.
Write down 9 as next digit of the result. 
Result so far: 9.0
Subtracting 792 from 837 leaves us with 45.
Fetch the next digit (1) from the dividend, attach it to 45 and continue: 451 / 88

Step 4:
If we divide 451 by 88, we get 5 and a remainder of 11.
The number 5 becomes the next digit in our result. 
Result so far: 95.0
If we take 440 away from 451, we end up with 11.
Include the next digit (0) from the dividend after 11, then repeat: 110 / 88

Going ahead to step 5:
110 divided by 88 is 1 with a remainder of 22.
Record the quotient 1 as the next digit in the result. 
Result so far: 951.0
Deduct 88 from 110 and we're left with 22.
Take the next digit (9) from the dividend and append it to 22, then repeat: 229 / 88

Let's proceed to step 6:
88 goes into 229 2 times with a remainder of 53.
Write down 2 as next digit of the result. 
Result so far: 9512.0
If we take 176 away from 229, we end up with 53.
Fetch the next digit (0) from the dividend, attach it to 53 and continue: 530 / 88

Advancing to step 7:
The number 88 fits into 530 6 times, leaving a remainder of 2.
Use 6 as the next digit of our solution. 
Result so far: 95126.0
Subtracting 528 from 530 leaves us with 2.
Append the next digit (9) from the dividend to 2 and continue with: 29 / 88

Let's proceed to step 8:
29 divided by 88 is 0 with a remainder of 29.
Record the quotient 0 as the next digit in the result. 
Result so far: 951260.0
The remainder is 29 after subtracting 0 from 29.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

Step 9:
88 can be fit into 290 3 times, resulting in a remainder of 26.
Record the quotient 3 as the next digit in the result. 
Result so far: 951260.3
The remainder is 26 after subtracting 264 from 290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Advancing to step 10:
88 goes into 260 2 times with a remainder of 84.
Write down 2 as next digit of the result. 
Result so far: 951260.32
If we take 176 away from 260, we end up with 84.
Since there are no more digits in the dividend, we add a zero to the remainder making it 840, and continue the process.

Going ahead to step 11:
If we divide 840 by 88, we get 9 and a remainder of 48.
The number 9 becomes the next digit in our result. 
Result so far: 951260.329
Subtract 792 from 840 to get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Step 12:
88 goes into 480 5 times with a remainder of 40.
Write down 5 as next digit of the result. 
Result so far: 951260.3295
Subtract 440 from 480 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.

Moving on to step 13:
88 goes into 400 4 times with a remainder of 48.
Use 4 as the next digit of our solution. 
Result so far: 951260.32954
If we take 352 away from 400, we end up with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Step 14:
88 goes into 480 5 times with a remainder of 40.
Put 5 as the next digit of the answer. 
Result so far: 951260.329545
If we subtract 440 from 480, we 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.

Advancing to step 15:
When dividing 400 by 88, we get 4 with a remainder of 48.
The number 4 becomes the next digit in our result. 
Result so far: 951260.3295454
If we take 352 away from 400, we end up with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Let's proceed to step 16:
When dividing 480 by 88, we get 5 with a remainder of 40.
The next digit of our result is 5. 
Result so far: 951260.32954545
If we take 440 away from 480, we end up with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

The final outcome is 951260.32954545, with a leftover of 4e-08.