840503 ÷ 64 
The aim is to understand the frequency of 64 in 840503.

On to step 1:
8 divided by 64 is 0 with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Include the next digit (4) from the dividend after 8, then repeat: 84 / 64

Moving on to step 2:
84 divided by 64 is 1 with a remainder of 20.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtract 64 from 84 to get 20.
Bring next digit (0) of the dividend behind the 20 and repeat the process: 200 / 64

Moving on to step 3:
If we divide 200 by 64, we get 3 and a remainder of 8.
Use 3 as the next digit of our solution. 
Result so far: 13.0
If we take 192 away from 200, we end up with 8.
Include the next digit (5) from the dividend after 8, then repeat: 85 / 64

Moving on to step 4:
64 can be fit into 85 1 times, resulting in a remainder of 21.
Record the quotient 1 as the next digit in the result. 
Result so far: 131.0
Subtract 64 from 85 to get 21.
Include the next digit (0) from the dividend after 21, then repeat: 210 / 64

Going ahead to step 5:
The number 64 fits into 210 3 times, leaving a remainder of 18.
The next digit of our result is 3. 
Result so far: 1313.0
If we take 192 away from 210, we end up with 18.
Include the next digit (3) from the dividend after 18, then repeat: 183 / 64

Advancing to step 6:
When dividing 183 by 64, we get 2 with a remainder of 55.
Record the quotient 2 as the next digit in the result. 
Result so far: 13132.0
If we subtract 128 from 183, we get 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

Going ahead to step 7:
550 divided by 64 is 8 with a remainder of 38.
The next digit of our result is 8. 
Result so far: 13132.8
Subtracting 512 from 550 leaves us with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Step 8:
When dividing 380 by 64, we get 5 with a remainder of 60.
The number 5 becomes the next digit in our result. 
Result so far: 13132.85
Subtracting 320 from 380 leaves us with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Moving on to step 9:
64 can be fit into 600 9 times, resulting in a remainder of 24.
Write down 9 as next digit of the result. 
Result so far: 13132.859
The remainder is 24 after subtracting 576 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Step 10:
When dividing 240 by 64, we get 3 with a remainder of 48.
The next digit of our result is 3. 
Result so far: 13132.8593
Deduct 192 from 240 and we're left 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.

Moving on to step 11:
480 divided by 64 is 7 with a remainder of 32.
The number 7 becomes the next digit in our result. 
Result so far: 13132.85937
The remainder is 32 after subtracting 448 from 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Let's proceed to step 12:
The number 64 fits into 320 5 times, leaving a remainder of 0.
The next digit of our result is 5. 
Result so far: 13132.859375
Subtracting 320 from 320 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 13:
The number 64 fits into 0 0 times, leaving a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 13132.859375
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 14:
The number 64 fits into 0 0 times, leaving a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 13132.859375
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 13132.859375, with a leftover of 0.0.