We look at the division of 398763 by 75 
We want to figure out the number of times 398763 can be divided by 75.

Let's proceed to step 1:
3 divided by 75 is 0 with a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Include the next digit (9) from the dividend after 3, then repeat: 39 / 75

Moving on to step 2:
When dividing 39 by 75, we get 0 with a remainder of 39.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 39 to get 39.
Include the next digit (8) from the dividend after 39, then repeat: 398 / 75

Let's proceed to step 3:
75 can be fit into 398 5 times, resulting in a remainder of 23.
Use 5 as the next digit of our solution. 
Result so far: 5.0
If we subtract 375 from 398, we get 23.
Take the next digit (7) from the dividend and append it to 23, then repeat: 237 / 75

Moving on to step 4:
When dividing 237 by 75, we get 3 with a remainder of 12.
Put 3 as the next digit of the answer. 
Result so far: 53.0
Subtract 225 from 237 to get 12.
Append the next digit (6) from the dividend to 12 and continue with: 126 / 75

Advancing to step 5:
75 goes into 126 1 times with a remainder of 51.
Put 1 as the next digit of the answer. 
Result so far: 531.0
If we take 75 away from 126, we end up with 51.
Grab the next digit (3) from the dividend, add it to 51, then carry on: 513 / 75

Let's proceed to step 6:
The number 75 fits into 513 6 times, leaving a remainder of 63.
The next digit of our result is 6. 
Result so far: 5316.0
Deduct 450 from 513 and we're left 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.

Moving on to step 7:
When dividing 630 by 75, we get 8 with a remainder of 30.
Record the quotient 8 as the next digit in the result. 
Result so far: 5316.8
Deduct 600 from 630 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Step 8:
If we divide 300 by 75, we get 4 and a remainder of 0.
The next digit of our result is 4. 
Result so far: 5316.84
If we take 300 away from 300, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 9:
75 can be fit into 0 0 times, resulting in a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 5316.84
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 10:
75 goes into 0 0 times with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 5316.84
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Our division results in 5316.84 with a remaining 0.0.