We're dividing 45303343 by 423 
The aim is to understand the frequency of 423 in 45303343.

Step 1:
If we divide 4 by 423, we get 0 and a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Fetch the next digit (5) from the dividend, attach it to 4 and continue: 45 / 423

Step 2:
If we divide 45 by 423, we get 0 and a remainder of 45.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 45, we get 45.
Include the next digit (3) from the dividend after 45, then repeat: 453 / 423

Advancing to step 3:
When dividing 453 by 423, we get 1 with a remainder of 30.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 423 away from 453, we end up with 30.
Include the next digit (0) from the dividend after 30, then repeat: 300 / 423

On to step 4:
423 goes into 300 0 times with a remainder of 300.
The next digit of our result is 0. 
Result so far: 10.0
Subtracting 0 from 300 leaves us with 300.
Fetch the next digit (3) from the dividend, attach it to 300 and continue: 3003 / 423

Going ahead to step 5:
When dividing 3003 by 423, we get 7 with a remainder of 42.
The next digit of our result is 7. 
Result so far: 107.0
The remainder is 42 after subtracting 2961 from 3003.
Take the next digit (3) from the dividend and append it to 42, then repeat: 423 / 423

Advancing to step 6:
When dividing 423 by 423, we get 1 with a remainder of 0.
The next digit of our result is 1. 
Result so far: 1071.0
If we subtract 423 from 423, we get 0.
Append the next digit (4) from the dividend to 0 and continue with: 4 / 423

On to step 7:
423 can be fit into 4 0 times, resulting in a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 10710.0
If we subtract 0 from 4, we get 4.
Bring next digit (3) of the dividend behind the 4 and repeat the process: 43 / 423

Advancing to step 8:
43 divided by 423 is 0 with a remainder of 43.
The next digit of our result is 0. 
Result so far: 107100.0
Subtracting 0 from 43 leaves us with 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Advancing to step 9:
When dividing 430 by 423, we get 1 with a remainder of 7.
Use 1 as the next digit of our solution. 
Result so far: 107100.1
If we take 423 away from 430, we end up with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Moving on to step 10:
423 can be fit into 70 0 times, resulting in a remainder of 70.
The next digit of our result is 0. 
Result so far: 107100.1
The remainder is 70 after subtracting 0 from 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Advancing to step 11:
423 can be fit into 700 1 times, resulting in a remainder of 277.
Use 1 as the next digit of our solution. 
Result so far: 107100.101
If we subtract 423 from 700, we get 277.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2770, and continue the process.

On to step 12:
When dividing 2770 by 423, we get 6 with a remainder of 232.
Put 6 as the next digit of the answer. 
Result so far: 107100.1016
If we take 2538 away from 2770, we end up with 232.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2320, and continue the process.

Step 13:
When dividing 2320 by 423, we get 5 with a remainder of 205.
The next digit of our result is 5. 
Result so far: 107100.10165
Subtract 2115 from 2320 to get 205.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2050, and continue the process.

Let's proceed to step 14:
The number 423 fits into 2050 4 times, leaving a remainder of 358.
Write down 4 as next digit of the result. 
Result so far: 107100.101654
If we take 1692 away from 2050, we end up with 358.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3580, and continue the process.

Advancing to step 15:
423 goes into 3580 8 times with a remainder of 196.
Write down 8 as next digit of the result. 
Result so far: 107100.1016548
Deduct 3384 from 3580 and we're left with 196.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1960, and continue the process.

Advancing to step 16:
423 goes into 1960 4 times with a remainder of 268.
Record the quotient 4 as the next digit in the result. 
Result so far: 107100.10165484
If we subtract 1692 from 1960, we get 268.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2680, and continue the process.

The final outcome is 107100.10165484, with a leftover of 2.68e-07.