We're dividing 435276 by 81 
The aim is to understand the frequency of 81 in 435276.

Let's proceed to step 1:
81 goes into 4 0 times with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 4 and we're left with 4.
Bring next digit (3) of the dividend behind the 4 and repeat the process: 43 / 81

Let's proceed to step 2:
81 can be fit into 43 0 times, resulting in a remainder of 43.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 43 to get 43.
Take the next digit (5) from the dividend and append it to 43, then repeat: 435 / 81

On to step 3:
The number 81 fits into 435 5 times, leaving a remainder of 30.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
Subtract 405 from 435 to get 30.
Grab the next digit (2) from the dividend, add it to 30, then carry on: 302 / 81

Moving on to step 4:
If we divide 302 by 81, we get 3 and a remainder of 59.
Record the quotient 3 as the next digit in the result. 
Result so far: 53.0
If we subtract 243 from 302, we get 59.
Grab the next digit (7) from the dividend, add it to 59, then carry on: 597 / 81

Step 5:
If we divide 597 by 81, we get 7 and a remainder of 30.
Put 7 as the next digit of the answer. 
Result so far: 537.0
Subtracting 567 from 597 leaves us with 30.
Include the next digit (6) from the dividend after 30, then repeat: 306 / 81

Let's proceed to step 6:
When dividing 306 by 81, we get 3 with a remainder of 63.
Use 3 as the next digit of our solution. 
Result so far: 5373.0
The remainder is 63 after subtracting 243 from 306.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

On to step 7:
The number 81 fits into 630 7 times, leaving a remainder of 63.
Write down 7 as next digit of the result. 
Result so far: 5373.7
Subtracting 567 from 630 leaves us with 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

Step 8:
81 goes into 630 7 times with a remainder of 63.
Use 7 as the next digit of our solution. 
Result so far: 5373.77
Subtract 567 from 630 to get 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

In conclusion, the division gives 5373.77 with a balance of 0.063.