We look at the division of 906736 by 43 
The aim is to understand the frequency of 43 in 906736.

Moving on to step 1:
When dividing 9 by 43, we get 0 with a remainder of 9.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 9 and we're left with 9.
Fetch the next digit (0) from the dividend, attach it to 9 and continue: 90 / 43

On to step 2:
43 can be fit into 90 2 times, resulting in a remainder of 4.
Write down 2 as next digit of the result. 
Result so far: 2.0
Subtract 86 from 90 to get 4.
Append the next digit (6) from the dividend to 4 and continue with: 46 / 43

Step 3:
If we divide 46 by 43, we get 1 and a remainder of 3.
Put 1 as the next digit of the answer. 
Result so far: 21.0
Deduct 43 from 46 and we're left with 3.
Bring next digit (7) of the dividend behind the 3 and repeat the process: 37 / 43

Advancing to step 4:
The number 43 fits into 37 0 times, leaving a remainder of 37.
Record the quotient 0 as the next digit in the result. 
Result so far: 210.0
Subtract 0 from 37 to get 37.
Bring next digit (3) of the dividend behind the 37 and repeat the process: 373 / 43

Step 5:
43 goes into 373 8 times with a remainder of 29.
The number 8 becomes the next digit in our result. 
Result so far: 2108.0
Subtract 344 from 373 to get 29.
Fetch the next digit (6) from the dividend, attach it to 29 and continue: 296 / 43

Advancing to step 6:
296 divided by 43 is 6 with a remainder of 38.
Write down 6 as next digit of the result. 
Result so far: 21086.0
Deduct 258 from 296 and we're left 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.

Moving on to step 7:
43 can be fit into 380 8 times, resulting in a remainder of 36.
The next digit of our result is 8. 
Result so far: 21086.8
Subtracting 344 from 380 leaves us with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Moving on to step 8:
43 can be fit into 360 8 times, resulting in a remainder of 16.
The number 8 becomes the next digit in our result. 
Result so far: 21086.88
The remainder is 16 after subtracting 344 from 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

The final outcome is 21086.88, with a leftover of 0.016.