816461 ÷ 75 
We want to figure out the number of times 816461 can be divided by 75.

Let's proceed to step 1:
If we divide 8 by 75, we get 0 and a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Include the next digit (1) from the dividend after 8, then repeat: 81 / 75

On to step 2:
The number 75 fits into 81 1 times, leaving a remainder of 6.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtracting 75 from 81 leaves us with 6.
Take the next digit (6) from the dividend and append it to 6, then repeat: 66 / 75

Moving on to step 3:
75 goes into 66 0 times with a remainder of 66.
The next digit of our result is 0. 
Result so far: 10.0
Subtract 0 from 66 to get 66.
Grab the next digit (4) from the dividend, add it to 66, then carry on: 664 / 75

On to step 4:
75 can be fit into 664 8 times, resulting in a remainder of 64.
Put 8 as the next digit of the answer. 
Result so far: 108.0
If we take 600 away from 664, we end up with 64.
Bring next digit (6) of the dividend behind the 64 and repeat the process: 646 / 75

Step 5:
If we divide 646 by 75, we get 8 and a remainder of 46.
The next digit of our result is 8. 
Result so far: 1088.0
If we subtract 600 from 646, we get 46.
Bring next digit (1) of the dividend behind the 46 and repeat the process: 461 / 75

Step 6:
When dividing 461 by 75, we get 6 with a remainder of 11.
Write down 6 as next digit of the result. 
Result so far: 10886.0
Subtract 450 from 461 to get 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Step 7:
When dividing 110 by 75, we get 1 with a remainder of 35.
The next digit of our result is 1. 
Result so far: 10886.1
Subtract 75 from 110 to get 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Moving on to step 8:
75 can be fit into 350 4 times, resulting in a remainder of 50.
Use 4 as the next digit of our solution. 
Result so far: 10886.14
The remainder is 50 after subtracting 300 from 350.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Let's proceed to step 9:
If we divide 500 by 75, we get 6 and a remainder of 50.
The number 6 becomes the next digit in our result. 
Result so far: 10886.146
Subtracting 450 from 500 leaves us with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Moving on to step 10:
75 can be fit into 500 6 times, resulting in a remainder of 50.
Record the quotient 6 as the next digit in the result. 
Result so far: 10886.1466
Subtract 450 from 500 to get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

The final result is 10886.1466 with a remainder of 0.0005.