We divide 97197785 by 663
The aim is to understand the frequency of 663 in 97197785.

On to step 1:
If we divide 9 by 663, we get 0 and a remainder of 9.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Grab the next digit (7) from the dividend, add it to 9, then carry on: 97 / 663

Advancing to step 2:
If we divide 97 by 663, we get 0 and a remainder of 97.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 97 and we're left with 97.
Take the next digit (1) from the dividend and append it to 97, then repeat: 971 / 663

Going ahead to step 3:
663 goes into 971 1 times with a remainder of 308.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 663 from 971 leaves us with 308.
Include the next digit (9) from the dividend after 308, then repeat: 3089 / 663

Going ahead to step 4:
The number 663 fits into 3089 4 times, leaving a remainder of 437.
Record the quotient 4 as the next digit in the result. 
Result so far: 14.0
Subtract 2652 from 3089 to get 437.
Fetch the next digit (7) from the dividend, attach it to 437 and continue: 4377 / 663

Going ahead to step 5:
When dividing 4377 by 663, we get 6 with a remainder of 399.
The next digit of our result is 6. 
Result so far: 146.0
Subtracting 3978 from 4377 leaves us with 399.
Fetch the next digit (7) from the dividend, attach it to 399 and continue: 3997 / 663

Step 6:
663 goes into 3997 6 times with a remainder of 19.
Write down 6 as next digit of the result. 
Result so far: 1466.0
If we take 3978 away from 3997, we end up with 19.
Grab the next digit (8) from the dividend, add it to 19, then carry on: 198 / 663

Let's proceed to step 7:
The number 663 fits into 198 0 times, leaving a remainder of 198.
Put 0 as the next digit of the answer. 
Result so far: 14660.0
If we take 0 away from 198, we end up with 198.
Include the next digit (5) from the dividend after 198, then repeat: 1985 / 663

Going ahead to step 8:
663 goes into 1985 2 times with a remainder of 659.
Put 2 as the next digit of the answer. 
Result so far: 146602.0
If we take 1326 away from 1985, we end up with 659.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6590, and continue the process.

Advancing to step 9:
6590 divided by 663 is 9 with a remainder of 623.
Use 9 as the next digit of our solution. 
Result so far: 146602.9
Subtracting 5967 from 6590 leaves us with 623.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6230, and continue the process.

Let's proceed to step 10:
If we divide 6230 by 663, we get 9 and a remainder of 263.
Put 9 as the next digit of the answer. 
Result so far: 146602.99
Subtract 5967 from 6230 to get 263.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2630, and continue the process.

After the division, we end up with 146602.99 and a remainder of 0.263.