We're dividing 42398877 by 75 
We want to figure out the number of times 42398877 can be divided by 75.

Going ahead to step 1:
4 divided by 75 is 0 with a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Take the next digit (2) from the dividend and append it to 4, then repeat: 42 / 75

Moving on to step 2:
75 can be fit into 42 0 times, resulting in a remainder of 42.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 42 leaves us with 42.
Fetch the next digit (3) from the dividend, attach it to 42 and continue: 423 / 75

Let's proceed to step 3:
If we divide 423 by 75, we get 5 and a remainder of 48.
The next digit of our result is 5. 
Result so far: 5.0
The remainder is 48 after subtracting 375 from 423.
Bring next digit (9) of the dividend behind the 48 and repeat the process: 489 / 75

Moving on to step 4:
When dividing 489 by 75, we get 6 with a remainder of 39.
Record the quotient 6 as the next digit in the result. 
Result so far: 56.0
If we subtract 450 from 489, we get 39.
Append the next digit (8) from the dividend to 39 and continue with: 398 / 75

Going ahead to step 5:
75 can be fit into 398 5 times, resulting in a remainder of 23.
The number 5 becomes the next digit in our result. 
Result so far: 565.0
If we subtract 375 from 398, we get 23.
Bring next digit (8) of the dividend behind the 23 and repeat the process: 238 / 75

On to step 6:
238 divided by 75 is 3 with a remainder of 13.
Record the quotient 3 as the next digit in the result. 
Result so far: 5653.0
Subtracting 225 from 238 leaves us with 13.
Grab the next digit (7) from the dividend, add it to 13, then carry on: 137 / 75

Step 7:
If we divide 137 by 75, we get 1 and a remainder of 62.
Write down 1 as next digit of the result. 
Result so far: 56531.0
Subtract 75 from 137 to get 62.
Take the next digit (7) from the dividend and append it to 62, then repeat: 627 / 75

Going ahead to step 8:
When dividing 627 by 75, we get 8 with a remainder of 27.
Put 8 as the next digit of the answer. 
Result so far: 565318.0
Subtracting 600 from 627 leaves us with 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Advancing to step 9:
If we divide 270 by 75, we get 3 and a remainder of 45.
Put 3 as the next digit of the answer. 
Result so far: 565318.3
If we subtract 225 from 270, we get 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Step 10:
450 divided by 75 is 6 with a remainder of 0.
Use 6 as the next digit of our solution. 
Result so far: 565318.36
Deduct 450 from 450 and we're left 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.

On to step 11:
When dividing 0 by 75, we get 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 565318.36
Subtracting 0 from 0 leaves us 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.

On to step 12:
If we divide 0 by 75, we get 0 and a remainder of 0.
The next digit of our result is 0. 
Result so far: 565318.36
Deduct 0 from 0 and we're left 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.

The quotient of the division is 565318.36, and the remainder is 0.0.