We're dividing 63889158 by 15 
Our goal is to divide 63889158 by 15.

On to step 1:
When dividing 6 by 15, we get 0 with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Grab the next digit (3) from the dividend, add it to 6, then carry on: 63 / 15

Moving on to step 2:
15 goes into 63 4 times with a remainder of 3.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
If we take 60 away from 63, we end up with 3.
Take the next digit (8) from the dividend and append it to 3, then repeat: 38 / 15

Moving on to step 3:
When dividing 38 by 15, we get 2 with a remainder of 8.
Use 2 as the next digit of our solution. 
Result so far: 42.0
If we subtract 30 from 38, we get 8.
Bring next digit (8) of the dividend behind the 8 and repeat the process: 88 / 15

Going ahead to step 4:
When dividing 88 by 15, we get 5 with a remainder of 13.
Put 5 as the next digit of the answer. 
Result so far: 425.0
Subtract 75 from 88 to get 13.
Grab the next digit (9) from the dividend, add it to 13, then carry on: 139 / 15

Step 5:
The number 15 fits into 139 9 times, leaving a remainder of 4.
Put 9 as the next digit of the answer. 
Result so far: 4259.0
Subtracting 135 from 139 leaves us with 4.
Fetch the next digit (1) from the dividend, attach it to 4 and continue: 41 / 15

Let's proceed to step 6:
15 can be fit into 41 2 times, resulting in a remainder of 11.
Use 2 as the next digit of our solution. 
Result so far: 42592.0
Subtracting 30 from 41 leaves us with 11.
Include the next digit (5) from the dividend after 11, then repeat: 115 / 15

Advancing to step 7:
The number 15 fits into 115 7 times, leaving a remainder of 10.
Write down 7 as next digit of the result. 
Result so far: 425927.0
Subtract 105 from 115 to get 10.
Bring next digit (8) of the dividend behind the 10 and repeat the process: 108 / 15

Going ahead to step 8:
The number 15 fits into 108 7 times, leaving a remainder of 3.
Write down 7 as next digit of the result. 
Result so far: 4259277.0
Deduct 105 from 108 and we're left with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Moving on to step 9:
When dividing 30 by 15, we get 2 with a remainder of 0.
Record the quotient 2 as the next digit in the result. 
Result so far: 4259277.2
The remainder is 0 after subtracting 30 from 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 10:
When dividing 0 by 15, we get 0 with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 4259277.2
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 11:
15 can be fit into 0 0 times, resulting in a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 4259277.2
The remainder is 0 after subtracting 0 from 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 4259277.2 with a remaining 0.0.