We divide 143991 by 83
We want to figure out the number of times 143991 can be divided by 83.

Advancing to step 1:
When dividing 1 by 83, we get 0 with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Fetch the next digit (4) from the dividend, attach it to 1 and continue: 14 / 83

Let's proceed to step 2:
If we divide 14 by 83, we get 0 and a remainder of 14.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 14 leaves us with 14.
Take the next digit (3) from the dividend and append it to 14, then repeat: 143 / 83

Advancing to step 3:
83 goes into 143 1 times with a remainder of 60.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Deduct 83 from 143 and we're left with 60.
Fetch the next digit (9) from the dividend, attach it to 60 and continue: 609 / 83

Going ahead to step 4:
83 can be fit into 609 7 times, resulting in a remainder of 28.
The next digit of our result is 7. 
Result so far: 17.0
Deduct 581 from 609 and we're left with 28.
Grab the next digit (9) from the dividend, add it to 28, then carry on: 289 / 83

On to step 5:
The number 83 fits into 289 3 times, leaving a remainder of 40.
Put 3 as the next digit of the answer. 
Result so far: 173.0
The remainder is 40 after subtracting 249 from 289.
Append the next digit (1) from the dividend to 40 and continue with: 401 / 83

Advancing to step 6:
The number 83 fits into 401 4 times, leaving a remainder of 69.
Use 4 as the next digit of our solution. 
Result so far: 1734.0
Deduct 332 from 401 and we're left with 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Let's proceed to step 7:
If we divide 690 by 83, we get 8 and a remainder of 26.
Put 8 as the next digit of the answer. 
Result so far: 1734.8
If we take 664 away from 690, we end up with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Step 8:
The number 83 fits into 260 3 times, leaving a remainder of 11.
Record the quotient 3 as the next digit in the result. 
Result so far: 1734.83
Deduct 249 from 260 and we're left with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Going ahead to step 9:
The number 83 fits into 110 1 times, leaving a remainder of 27.
Write down 1 as next digit of the result. 
Result so far: 1734.831
The remainder is 27 after subtracting 83 from 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Going ahead to step 10:
When dividing 270 by 83, we get 3 with a remainder of 21.
Use 3 as the next digit of our solution. 
Result so far: 1734.8313
If we take 249 away from 270, we end up 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.

Let's proceed to step 11:
83 can be fit into 210 2 times, resulting in a remainder of 44.
Write down 2 as next digit of the result. 
Result so far: 1734.83132
If we subtract 166 from 210, we get 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Advancing to step 12:
440 divided by 83 is 5 with a remainder of 25.
The number 5 becomes the next digit in our result. 
Result so far: 1734.831325
Deduct 415 from 440 and we're left with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Step 13:
83 can be fit into 250 3 times, resulting in a remainder of 1.
Use 3 as the next digit of our solution. 
Result so far: 1734.8313253
Deduct 249 from 250 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 14:
The number 83 fits into 10 0 times, leaving a remainder of 10.
Record the quotient 0 as the next digit in the result. 
Result so far: 1734.8313253
Subtract 0 from 10 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

The final outcome is 1734.8313253, with a leftover of 1e-08.