Let's divide 81663303 by 39
Let's see how many times 39 fits into 81663303.

On to step 1:
39 goes into 8 0 times with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Fetch the next digit (1) from the dividend, attach it to 8 and continue: 81 / 39

On to step 2:
If we divide 81 by 39, we get 2 and a remainder of 3.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Subtract 78 from 81 to get 3.
Grab the next digit (6) from the dividend, add it to 3, then carry on: 36 / 39

Let's proceed to step 3:
39 goes into 36 0 times with a remainder of 36.
Write down 0 as next digit of the result. 
Result so far: 20.0
If we subtract 0 from 36, we get 36.
Take the next digit (6) from the dividend and append it to 36, then repeat: 366 / 39

Step 4:
If we divide 366 by 39, we get 9 and a remainder of 15.
Put 9 as the next digit of the answer. 
Result so far: 209.0
Subtracting 351 from 366 leaves us with 15.
Bring next digit (3) of the dividend behind the 15 and repeat the process: 153 / 39

Advancing to step 5:
39 goes into 153 3 times with a remainder of 36.
Record the quotient 3 as the next digit in the result. 
Result so far: 2093.0
Subtracting 117 from 153 leaves us with 36.
Fetch the next digit (3) from the dividend, attach it to 36 and continue: 363 / 39

Going ahead to step 6:
363 divided by 39 is 9 with a remainder of 12.
The number 9 becomes the next digit in our result. 
Result so far: 20939.0
The remainder is 12 after subtracting 351 from 363.
Append the next digit (0) from the dividend to 12 and continue with: 120 / 39

Step 7:
120 divided by 39 is 3 with a remainder of 3.
Write down 3 as next digit of the result. 
Result so far: 209393.0
The remainder is 3 after subtracting 117 from 120.
Bring next digit (3) of the dividend behind the 3 and repeat the process: 33 / 39

Moving on to step 8:
When dividing 33 by 39, we get 0 with a remainder of 33.
Write down 0 as next digit of the result. 
Result so far: 2093930.0
If we take 0 away from 33, we end up with 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Going ahead to step 9:
39 goes into 330 8 times with a remainder of 18.
Record the quotient 8 as the next digit in the result. 
Result so far: 2093930.8
The remainder is 18 after subtracting 312 from 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Let's proceed to step 10:
180 divided by 39 is 4 with a remainder of 24.
Record the quotient 4 as the next digit in the result. 
Result so far: 2093930.84
If we subtract 156 from 180, we get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Moving on to step 11:
The number 39 fits into 240 6 times, leaving a remainder of 6.
The number 6 becomes the next digit in our result. 
Result so far: 2093930.846
The remainder is 6 after subtracting 234 from 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Advancing to step 12:
If we divide 60 by 39, we get 1 and a remainder of 21.
The number 1 becomes the next digit in our result. 
Result so far: 2093930.8461
Subtracting 39 from 60 leaves us with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Step 13:
39 can be fit into 210 5 times, resulting in a remainder of 15.
Record the quotient 5 as the next digit in the result. 
Result so far: 2093930.84615
If we take 195 away from 210, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Let's proceed to step 14:
The number 39 fits into 150 3 times, leaving a remainder of 33.
The next digit of our result is 3. 
Result so far: 2093930.846153
If we subtract 117 from 150, we get 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Going ahead to step 15:
39 can be fit into 330 8 times, resulting in a remainder of 18.
The next digit of our result is 8. 
Result so far: 2093930.8461538
Subtract 312 from 330 to get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Going ahead to step 16:
When dividing 180 by 39, we get 4 with a remainder of 24.
Record the quotient 4 as the next digit in the result. 
Result so far: 2093930.84615384
If we take 156 away from 180, we end up with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

The final outcome is 2093930.84615384, with a leftover of 2.4e-08.