We're dividing 21528 by 97 
The aim is to understand the frequency of 97 in 21528.

On to step 1:
2 divided by 97 is 0 with a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 97

Let's proceed to step 2:
The number 97 fits into 21 0 times, leaving a remainder of 21.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 21 to get 21.
Include the next digit (5) from the dividend after 21, then repeat: 215 / 97

Advancing to step 3:
97 goes into 215 2 times with a remainder of 21.
Use 2 as the next digit of our solution. 
Result so far: 2.0
If we subtract 194 from 215, we get 21.
Take the next digit (2) from the dividend and append it to 21, then repeat: 212 / 97

On to step 4:
97 goes into 212 2 times with a remainder of 18.
Write down 2 as next digit of the result. 
Result so far: 22.0
Subtracting 194 from 212 leaves us with 18.
Grab the next digit (8) from the dividend, add it to 18, then carry on: 188 / 97

Advancing to step 5:
The number 97 fits into 188 1 times, leaving a remainder of 91.
The number 1 becomes the next digit in our result. 
Result so far: 221.0
Subtract 97 from 188 to get 91.
Since there are no more digits in the dividend, we add a zero to the remainder making it 910, and continue the process.

On to step 6:
97 can be fit into 910 9 times, resulting in a remainder of 37.
The next digit of our result is 9. 
Result so far: 221.9
Subtract 873 from 910 to get 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

Let's proceed to step 7:
97 can be fit into 370 3 times, resulting in a remainder of 79.
Record the quotient 3 as the next digit in the result. 
Result so far: 221.93
The remainder is 79 after subtracting 291 from 370.
Since there are no more digits in the dividend, we add a zero to the remainder making it 790, and continue the process.

Going ahead to step 8:
790 divided by 97 is 8 with a remainder of 14.
Write down 8 as next digit of the result. 
Result so far: 221.938
Subtract 776 from 790 to get 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Step 9:
97 can be fit into 140 1 times, resulting in a remainder of 43.
Write down 1 as next digit of the result. 
Result so far: 221.9381
The remainder is 43 after subtracting 97 from 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

On to step 10:
97 can be fit into 430 4 times, resulting in a remainder of 42.
Put 4 as the next digit of the answer. 
Result so far: 221.93814
Deduct 388 from 430 and we're left with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Let's proceed to step 11:
97 goes into 420 4 times with a remainder of 32.
Record the quotient 4 as the next digit in the result. 
Result so far: 221.938144
Deduct 388 from 420 and we're left with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

The final outcome is 221.938144, with a leftover of 3.2e-06.