29664863 ÷ 243 
We want to divide 29664863 by 243.

Going ahead to step 1:
2 divided by 243 is 0 with a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Fetch the next digit (9) from the dividend, attach it to 2 and continue: 29 / 243

Going ahead to step 2:
When dividing 29 by 243, we get 0 with a remainder of 29.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 29, we end up with 29.
Append the next digit (6) from the dividend to 29 and continue with: 296 / 243

Going ahead to step 3:
243 goes into 296 1 times with a remainder of 53.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Deduct 243 from 296 and we're left with 53.
Fetch the next digit (6) from the dividend, attach it to 53 and continue: 536 / 243

Advancing to step 4:
243 goes into 536 2 times with a remainder of 50.
Use 2 as the next digit of our solution. 
Result so far: 12.0
Subtracting 486 from 536 leaves us with 50.
Include the next digit (4) from the dividend after 50, then repeat: 504 / 243

Let's proceed to step 5:
504 divided by 243 is 2 with a remainder of 18.
The next digit of our result is 2. 
Result so far: 122.0
Subtract 486 from 504 to get 18.
Include the next digit (8) from the dividend after 18, then repeat: 188 / 243

Advancing to step 6:
When dividing 188 by 243, we get 0 with a remainder of 188.
The next digit of our result is 0. 
Result so far: 1220.0
Deduct 0 from 188 and we're left with 188.
Grab the next digit (6) from the dividend, add it to 188, then carry on: 1886 / 243

Advancing to step 7:
If we divide 1886 by 243, we get 7 and a remainder of 185.
Write down 7 as next digit of the result. 
Result so far: 12207.0
If we take 1701 away from 1886, we end up with 185.
Take the next digit (3) from the dividend and append it to 185, then repeat: 1853 / 243

On to step 8:
1853 divided by 243 is 7 with a remainder of 152.
The number 7 becomes the next digit in our result. 
Result so far: 122077.0
Deduct 1701 from 1853 and we're left with 152.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1520, and continue the process.

Going ahead to step 9:
243 goes into 1520 6 times with a remainder of 62.
Record the quotient 6 as the next digit in the result. 
Result so far: 122077.6
If we take 1458 away from 1520, we end up with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Advancing to step 10:
The number 243 fits into 620 2 times, leaving a remainder of 134.
The number 2 becomes the next digit in our result. 
Result so far: 122077.62
If we take 486 away from 620, we end up with 134.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1340, and continue the process.

On to step 11:
243 goes into 1340 5 times with a remainder of 125.
The number 5 becomes the next digit in our result. 
Result so far: 122077.625
Subtracting 1215 from 1340 leaves us with 125.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1250, and continue the process.

Let's proceed to step 12:
The number 243 fits into 1250 5 times, leaving a remainder of 35.
Use 5 as the next digit of our solution. 
Result so far: 122077.6255
If we subtract 1215 from 1250, we get 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

The final result is 122077.6255 with a remainder of 0.00035.