75399107 divided by 612 
Let's see how many times 612 fits into 75399107.

Moving on to step 1:
7 divided by 612 is 0 with a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Bring next digit (5) of the dividend behind the 7 and repeat the process: 75 / 612

On to step 2:
75 divided by 612 is 0 with a remainder of 75.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 75 after subtracting 0 from 75.
Take the next digit (3) from the dividend and append it to 75, then repeat: 753 / 612

Advancing to step 3:
When dividing 753 by 612, we get 1 with a remainder of 141.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtract 612 from 753 to get 141.
Bring next digit (9) of the dividend behind the 141 and repeat the process: 1419 / 612

Step 4:
If we divide 1419 by 612, we get 2 and a remainder of 195.
Record the quotient 2 as the next digit in the result. 
Result so far: 12.0
Subtract 1224 from 1419 to get 195.
Bring next digit (9) of the dividend behind the 195 and repeat the process: 1959 / 612

On to step 5:
612 goes into 1959 3 times with a remainder of 123.
Write down 3 as next digit of the result. 
Result so far: 123.0
If we take 1836 away from 1959, we end up with 123.
Bring next digit (1) of the dividend behind the 123 and repeat the process: 1231 / 612

Advancing to step 6:
If we divide 1231 by 612, we get 2 and a remainder of 7.
Use 2 as the next digit of our solution. 
Result so far: 1232.0
If we take 1224 away from 1231, we end up with 7.
Fetch the next digit (0) from the dividend, attach it to 7 and continue: 70 / 612

Let's proceed to step 7:
The number 612 fits into 70 0 times, leaving a remainder of 70.
The number 0 becomes the next digit in our result. 
Result so far: 12320.0
Subtracting 0 from 70 leaves us with 70.
Append the next digit (7) from the dividend to 70 and continue with: 707 / 612

Going ahead to step 8:
The number 612 fits into 707 1 times, leaving a remainder of 95.
Use 1 as the next digit of our solution. 
Result so far: 123201.0
If we subtract 612 from 707, we get 95.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

Step 9:
When dividing 950 by 612, we get 1 with a remainder of 338.
Write down 1 as next digit of the result. 
Result so far: 123201.1
Subtract 612 from 950 to get 338.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3380, and continue the process.

Going ahead to step 10:
If we divide 3380 by 612, we get 5 and a remainder of 320.
Record the quotient 5 as the next digit in the result. 
Result so far: 123201.15
The remainder is 320 after subtracting 3060 from 3380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

Moving on to step 11:
When dividing 3200 by 612, we get 5 with a remainder of 140.
Put 5 as the next digit of the answer. 
Result so far: 123201.155
If we take 3060 away from 3200, we end up with 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

The final result is 123201.155 with a remainder of 0.014.