We divide 81305427 by 63
The aim is to understand the frequency of 63 in 81305427.

Let's proceed to step 1:
The number 63 fits into 8 0 times, leaving a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Include the next digit (1) from the dividend after 8, then repeat: 81 / 63

On to step 2:
When dividing 81 by 63, we get 1 with a remainder of 18.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtracting 63 from 81 leaves us with 18.
Include the next digit (3) from the dividend after 18, then repeat: 183 / 63

Advancing to step 3:
63 can be fit into 183 2 times, resulting in a remainder of 57.
The number 2 becomes the next digit in our result. 
Result so far: 12.0
The remainder is 57 after subtracting 126 from 183.
Grab the next digit (0) from the dividend, add it to 57, then carry on: 570 / 63

Step 4:
If we divide 570 by 63, we get 9 and a remainder of 3.
Put 9 as the next digit of the answer. 
Result so far: 129.0
The remainder is 3 after subtracting 567 from 570.
Bring next digit (5) of the dividend behind the 3 and repeat the process: 35 / 63

Going ahead to step 5:
63 goes into 35 0 times with a remainder of 35.
Record the quotient 0 as the next digit in the result. 
Result so far: 1290.0
The remainder is 35 after subtracting 0 from 35.
Grab the next digit (4) from the dividend, add it to 35, then carry on: 354 / 63

On to step 6:
If we divide 354 by 63, we get 5 and a remainder of 39.
The next digit of our result is 5. 
Result so far: 12905.0
Subtracting 315 from 354 leaves us with 39.
Grab the next digit (2) from the dividend, add it to 39, then carry on: 392 / 63

On to step 7:
63 can be fit into 392 6 times, resulting in a remainder of 14.
Use 6 as the next digit of our solution. 
Result so far: 129056.0
Subtracting 378 from 392 leaves us with 14.
Grab the next digit (7) from the dividend, add it to 14, then carry on: 147 / 63

On to step 8:
If we divide 147 by 63, we get 2 and a remainder of 21.
Use 2 as the next digit of our solution. 
Result so far: 1290562.0
If we subtract 126 from 147, we get 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Step 9:
63 goes into 210 3 times with a remainder of 21.
The number 3 becomes the next digit in our result. 
Result so far: 1290562.3
Deduct 189 from 210 and we're left with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Step 10:
63 goes into 210 3 times with a remainder of 21.
Use 3 as the next digit of our solution. 
Result so far: 1290562.33
Subtract 189 from 210 to get 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

The final outcome is 1290562.33, with a leftover of 0.021.