45147109 divided by 81 
We want to divide 45147109 by 81.

Moving on to step 1:
81 can be fit into 4 0 times, resulting in a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Take the next digit (5) from the dividend and append it to 4, then repeat: 45 / 81

Let's proceed to step 2:
When dividing 45 by 81, we get 0 with a remainder of 45.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 45 to get 45.
Append the next digit (1) from the dividend to 45 and continue with: 451 / 81

Going ahead to step 3:
81 can be fit into 451 5 times, resulting in a remainder of 46.
Write down 5 as next digit of the result. 
Result so far: 5.0
The remainder is 46 after subtracting 405 from 451.
Append the next digit (4) from the dividend to 46 and continue with: 464 / 81

Advancing to step 4:
When dividing 464 by 81, we get 5 with a remainder of 59.
Put 5 as the next digit of the answer. 
Result so far: 55.0
The remainder is 59 after subtracting 405 from 464.
Bring next digit (7) of the dividend behind the 59 and repeat the process: 597 / 81

Moving on to step 5:
When dividing 597 by 81, we get 7 with a remainder of 30.
The next digit of our result is 7. 
Result so far: 557.0
Deduct 567 from 597 and we're left with 30.
Grab the next digit (1) from the dividend, add it to 30, then carry on: 301 / 81

Let's proceed to step 6:
81 can be fit into 301 3 times, resulting in a remainder of 58.
The next digit of our result is 3. 
Result so far: 5573.0
If we subtract 243 from 301, we get 58.
Bring next digit (0) of the dividend behind the 58 and repeat the process: 580 / 81

Moving on to step 7:
If we divide 580 by 81, we get 7 and a remainder of 13.
The number 7 becomes the next digit in our result. 
Result so far: 55737.0
If we take 567 away from 580, we end up with 13.
Grab the next digit (9) from the dividend, add it to 13, then carry on: 139 / 81

Let's proceed to step 8:
If we divide 139 by 81, we get 1 and a remainder of 58.
Put 1 as the next digit of the answer. 
Result so far: 557371.0
If we subtract 81 from 139, we get 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Let's proceed to step 9:
If we divide 580 by 81, we get 7 and a remainder of 13.
Use 7 as the next digit of our solution. 
Result so far: 557371.7
Subtracting 567 from 580 leaves us with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Step 10:
130 divided by 81 is 1 with a remainder of 49.
Use 1 as the next digit of our solution. 
Result so far: 557371.71
If we subtract 81 from 130, we get 49.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Moving on to step 11:
490 divided by 81 is 6 with a remainder of 4.
Use 6 as the next digit of our solution. 
Result so far: 557371.716
If we take 486 away from 490, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 12:
40 divided by 81 is 0 with a remainder of 40.
Write down 0 as next digit of the result. 
Result so far: 557371.716
Subtracting 0 from 40 leaves us with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Step 13:
When dividing 400 by 81, we get 4 with a remainder of 76.
Record the quotient 4 as the next digit in the result. 
Result so far: 557371.71604
If we subtract 324 from 400, we get 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

On to step 14:
The number 81 fits into 760 9 times, leaving a remainder of 31.
Write down 9 as next digit of the result. 
Result so far: 557371.716049
If we subtract 729 from 760, we get 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Moving on to step 15:
The number 81 fits into 310 3 times, leaving a remainder of 67.
Use 3 as the next digit of our solution. 
Result so far: 557371.7160493
If we subtract 243 from 310, we get 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

Let's proceed to step 16:
The number 81 fits into 670 8 times, leaving a remainder of 22.
The next digit of our result is 8. 
Result so far: 557371.71604938
Subtracting 648 from 670 leaves us with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

In conclusion, the division gives 557371.71604938 with a balance of 2.2e-08.