88172393 ÷ 22 
The aim is to understand the frequency of 22 in 88172393.

Step 1:
22 can be fit into 8 0 times, resulting in a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Append the next digit (8) from the dividend to 8 and continue with: 88 / 22

On to step 2:
If we divide 88 by 22, we get 4 and a remainder of 0.
Put 4 as the next digit of the answer. 
Result so far: 4.0
If we take 88 away from 88, we end up with 0.
Append the next digit (1) from the dividend to 0 and continue with: 1 / 22

On to step 3:
The number 22 fits into 1 0 times, leaving a remainder of 1.
The next digit of our result is 0. 
Result so far: 40.0
Deduct 0 from 1 and we're left with 1.
Grab the next digit (7) from the dividend, add it to 1, then carry on: 17 / 22

Advancing to step 4:
17 divided by 22 is 0 with a remainder of 17.
Use 0 as the next digit of our solution. 
Result so far: 400.0
If we take 0 away from 17, we end up with 17.
Bring next digit (2) of the dividend behind the 17 and repeat the process: 172 / 22

Going ahead to step 5:
22 goes into 172 7 times with a remainder of 18.
The next digit of our result is 7. 
Result so far: 4007.0
If we subtract 154 from 172, we get 18.
Grab the next digit (3) from the dividend, add it to 18, then carry on: 183 / 22

Moving on to step 6:
If we divide 183 by 22, we get 8 and a remainder of 7.
Put 8 as the next digit of the answer. 
Result so far: 40078.0
The remainder is 7 after subtracting 176 from 183.
Bring next digit (9) of the dividend behind the 7 and repeat the process: 79 / 22

Moving on to step 7:
22 can be fit into 79 3 times, resulting in a remainder of 13.
Write down 3 as next digit of the result. 
Result so far: 400783.0
If we take 66 away from 79, we end up with 13.
Append the next digit (3) from the dividend to 13 and continue with: 133 / 22

Step 8:
When dividing 133 by 22, we get 6 with a remainder of 1.
Write down 6 as next digit of the result. 
Result so far: 4007836.0
If we subtract 132 from 133, we get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Step 9:
The number 22 fits into 10 0 times, leaving a remainder of 10.
Use 0 as the next digit of our solution. 
Result so far: 4007836.0
Subtracting 0 from 10 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 10:
22 goes into 100 4 times with a remainder of 12.
Record the quotient 4 as the next digit in the result. 
Result so far: 4007836.04
Deduct 88 from 100 and we're left with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Going ahead to step 11:
22 can be fit into 120 5 times, resulting in a remainder of 10.
Use 5 as the next digit of our solution. 
Result so far: 4007836.045
Subtracting 110 from 120 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 12:
When dividing 100 by 22, we get 4 with a remainder of 12.
Write down 4 as next digit of the result. 
Result so far: 4007836.0454
If we take 88 away from 100, we end up with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Moving on to step 13:
22 goes into 120 5 times with a remainder of 10.
Use 5 as the next digit of our solution. 
Result so far: 4007836.04545
If we take 110 away from 120, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Moving on to step 14:
If we divide 100 by 22, we get 4 and a remainder of 12.
Write down 4 as next digit of the result. 
Result so far: 4007836.045454
Deduct 88 from 100 and we're left with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Let's proceed to step 15:
22 can be fit into 120 5 times, resulting in a remainder of 10.
The number 5 becomes the next digit in our result. 
Result so far: 4007836.0454545
If we take 110 away from 120, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 16:
22 can be fit into 100 4 times, resulting in a remainder of 12.
The number 4 becomes the next digit in our result. 
Result so far: 4007836.04545454
Subtract 88 from 100 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

The final result is 4007836.04545454 with a remainder of 1.2e-08.