63990035 divided by 425 
Our goal is to divide 63990035 by 425.

Step 1:
The number 425 fits into 6 0 times, leaving a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Bring next digit (3) of the dividend behind the 6 and repeat the process: 63 / 425

Step 2:
When dividing 63 by 425, we get 0 with a remainder of 63.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 63, we end up with 63.
Fetch the next digit (9) from the dividend, attach it to 63 and continue: 639 / 425

On to step 3:
425 goes into 639 1 times with a remainder of 214.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we subtract 425 from 639, we get 214.
Bring next digit (9) of the dividend behind the 214 and repeat the process: 2149 / 425

Going ahead to step 4:
2149 divided by 425 is 5 with a remainder of 24.
Write down 5 as next digit of the result. 
Result so far: 15.0
Subtract 2125 from 2149 to get 24.
Fetch the next digit (0) from the dividend, attach it to 24 and continue: 240 / 425

Going ahead to step 5:
425 goes into 240 0 times with a remainder of 240.
Use 0 as the next digit of our solution. 
Result so far: 150.0
If we subtract 0 from 240, we get 240.
Take the next digit (0) from the dividend and append it to 240, then repeat: 2400 / 425

Let's proceed to step 6:
When dividing 2400 by 425, we get 5 with a remainder of 275.
Use 5 as the next digit of our solution. 
Result so far: 1505.0
Subtract 2125 from 2400 to get 275.
Append the next digit (3) from the dividend to 275 and continue with: 2753 / 425

Advancing to step 7:
2753 divided by 425 is 6 with a remainder of 203.
Record the quotient 6 as the next digit in the result. 
Result so far: 15056.0
If we subtract 2550 from 2753, we get 203.
Include the next digit (5) from the dividend after 203, then repeat: 2035 / 425

Going ahead to step 8:
The number 425 fits into 2035 4 times, leaving a remainder of 335.
Use 4 as the next digit of our solution. 
Result so far: 150564.0
If we subtract 1700 from 2035, we get 335.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3350, and continue the process.

On to step 9:
3350 divided by 425 is 7 with a remainder of 375.
The number 7 becomes the next digit in our result. 
Result so far: 150564.7
If we subtract 2975 from 3350, we get 375.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3750, and continue the process.

On to step 10:
425 can be fit into 3750 8 times, resulting in a remainder of 350.
Use 8 as the next digit of our solution. 
Result so far: 150564.78
If we subtract 3400 from 3750, we get 350.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3500, and continue the process.

Advancing to step 11:
3500 divided by 425 is 8 with a remainder of 100.
Write down 8 as next digit of the result. 
Result so far: 150564.788
Subtract 3400 from 3500 to get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Our division results in 150564.788 with a remaining 0.01.