71899939 divided by 450 
We want to figure out the number of times 71899939 can be divided by 450.

Let's proceed to step 1:
450 can be fit into 7 0 times, resulting in a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Append the next digit (1) from the dividend to 7 and continue with: 71 / 450

Let's proceed to step 2:
450 goes into 71 0 times with a remainder of 71.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 71 after subtracting 0 from 71.
Append the next digit (8) from the dividend to 71 and continue with: 718 / 450

Let's proceed to step 3:
If we divide 718 by 450, we get 1 and a remainder of 268.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 268 after subtracting 450 from 718.
Append the next digit (9) from the dividend to 268 and continue with: 2689 / 450

Advancing to step 4:
450 can be fit into 2689 5 times, resulting in a remainder of 439.
The next digit of our result is 5. 
Result so far: 15.0
If we take 2250 away from 2689, we end up with 439.
Include the next digit (9) from the dividend after 439, then repeat: 4399 / 450

Advancing to step 5:
4399 divided by 450 is 9 with a remainder of 349.
Put 9 as the next digit of the answer. 
Result so far: 159.0
If we subtract 4050 from 4399, we get 349.
Fetch the next digit (9) from the dividend, attach it to 349 and continue: 3499 / 450

On to step 6:
450 goes into 3499 7 times with a remainder of 349.
The number 7 becomes the next digit in our result. 
Result so far: 1597.0
Subtracting 3150 from 3499 leaves us with 349.
Include the next digit (3) from the dividend after 349, then repeat: 3493 / 450

Going ahead to step 7:
450 can be fit into 3493 7 times, resulting in a remainder of 343.
Write down 7 as next digit of the result. 
Result so far: 15977.0
Subtracting 3150 from 3493 leaves us with 343.
Take the next digit (9) from the dividend and append it to 343, then repeat: 3439 / 450

Advancing to step 8:
3439 divided by 450 is 7 with a remainder of 289.
The number 7 becomes the next digit in our result. 
Result so far: 159777.0
If we take 3150 away from 3439, we end up with 289.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2890, and continue the process.

On to step 9:
2890 divided by 450 is 6 with a remainder of 190.
The number 6 becomes the next digit in our result. 
Result so far: 159777.6
Subtract 2700 from 2890 to get 190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1900, and continue the process.

Advancing to step 10:
When dividing 1900 by 450, we get 4 with a remainder of 100.
Put 4 as the next digit of the answer. 
Result so far: 159777.64
Deduct 1800 from 1900 and we're left with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Going ahead to step 11:
When dividing 1000 by 450, we get 2 with a remainder of 100.
Use 2 as the next digit of our solution. 
Result so far: 159777.642
Deduct 900 from 1000 and we're left with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Step 12:
When dividing 1000 by 450, we get 2 with a remainder of 100.
The next digit of our result is 2. 
Result so far: 159777.6422
Deduct 900 from 1000 and we're left with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

In conclusion, the division gives 159777.6422 with a balance of 0.001.