76424454 divided by 810 
We want to figure out the number of times 76424454 can be divided by 810.

On to step 1:
810 can be fit into 7 0 times, resulting in a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Bring next digit (6) of the dividend behind the 7 and repeat the process: 76 / 810

Going ahead to step 2:
The number 810 fits into 76 0 times, leaving a remainder of 76.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 76 after subtracting 0 from 76.
Include the next digit (4) from the dividend after 76, then repeat: 764 / 810

Advancing to step 3:
The number 810 fits into 764 0 times, leaving a remainder of 764.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 764 after subtracting 0 from 764.
Bring next digit (2) of the dividend behind the 764 and repeat the process: 7642 / 810

Moving on to step 4:
If we divide 7642 by 810, we get 9 and a remainder of 352.
Write down 9 as next digit of the result. 
Result so far: 9.0
If we take 7290 away from 7642, we end up with 352.
Include the next digit (4) from the dividend after 352, then repeat: 3524 / 810

Step 5:
When dividing 3524 by 810, we get 4 with a remainder of 284.
Put 4 as the next digit of the answer. 
Result so far: 94.0
If we subtract 3240 from 3524, we get 284.
Take the next digit (4) from the dividend and append it to 284, then repeat: 2844 / 810

Moving on to step 6:
2844 divided by 810 is 3 with a remainder of 414.
The number 3 becomes the next digit in our result. 
Result so far: 943.0
If we take 2430 away from 2844, we end up with 414.
Fetch the next digit (5) from the dividend, attach it to 414 and continue: 4145 / 810

Let's proceed to step 7:
810 goes into 4145 5 times with a remainder of 95.
Record the quotient 5 as the next digit in the result. 
Result so far: 9435.0
Subtracting 4050 from 4145 leaves us with 95.
Bring next digit (4) of the dividend behind the 95 and repeat the process: 954 / 810

Advancing to step 8:
954 divided by 810 is 1 with a remainder of 144.
Write down 1 as next digit of the result. 
Result so far: 94351.0
Subtracting 810 from 954 leaves us with 144.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1440, and continue the process.

Let's proceed to step 9:
1440 divided by 810 is 1 with a remainder of 630.
Use 1 as the next digit of our solution. 
Result so far: 94351.1
If we take 810 away from 1440, we end up with 630.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6300, and continue the process.

Going ahead to step 10:
810 can be fit into 6300 7 times, resulting in a remainder of 630.
The next digit of our result is 7. 
Result so far: 94351.17
If we subtract 5670 from 6300, we get 630.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6300, and continue the process.

On to step 11:
810 can be fit into 6300 7 times, resulting in a remainder of 630.
The number 7 becomes the next digit in our result. 
Result so far: 94351.177
Subtracting 5670 from 6300 leaves us with 630.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6300, and continue the process.

The quotient of the division is 94351.177, and the remainder is 0.063.