We're dividing 171553 by 91 
Our goal is to divide 171553 by 91.

Step 1:
1 divided by 91 is 0 with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Fetch the next digit (7) from the dividend, attach it to 1 and continue: 17 / 91

Step 2:
The number 91 fits into 17 0 times, leaving a remainder of 17.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 17 leaves us with 17.
Grab the next digit (1) from the dividend, add it to 17, then carry on: 171 / 91

Advancing to step 3:
91 goes into 171 1 times with a remainder of 80.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 91 from 171 leaves us with 80.
Fetch the next digit (5) from the dividend, attach it to 80 and continue: 805 / 91

Moving on to step 4:
If we divide 805 by 91, we get 8 and a remainder of 77.
The number 8 becomes the next digit in our result. 
Result so far: 18.0
Deduct 728 from 805 and we're left with 77.
Take the next digit (5) from the dividend and append it to 77, then repeat: 775 / 91

Moving on to step 5:
91 can be fit into 775 8 times, resulting in a remainder of 47.
Put 8 as the next digit of the answer. 
Result so far: 188.0
Subtracting 728 from 775 leaves us with 47.
Bring next digit (3) of the dividend behind the 47 and repeat the process: 473 / 91

Going ahead to step 6:
The number 91 fits into 473 5 times, leaving a remainder of 18.
Write down 5 as next digit of the result. 
Result so far: 1885.0
If we subtract 455 from 473, we 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.

Let's proceed to step 7:
When dividing 180 by 91, we get 1 with a remainder of 89.
Put 1 as the next digit of the answer. 
Result so far: 1885.1
The remainder is 89 after subtracting 91 from 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 890, and continue the process.

Moving on to step 8:
The number 91 fits into 890 9 times, leaving a remainder of 71.
Record the quotient 9 as the next digit in the result. 
Result so far: 1885.19
Deduct 819 from 890 and we're left with 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

Step 9:
When dividing 710 by 91, we get 7 with a remainder of 73.
The number 7 becomes the next digit in our result. 
Result so far: 1885.197
If we take 637 away from 710, we end up with 73.
Since there are no more digits in the dividend, we add a zero to the remainder making it 730, and continue the process.

Advancing to step 10:
If we divide 730 by 91, we get 8 and a remainder of 2.
Use 8 as the next digit of our solution. 
Result so far: 1885.1978
Subtracting 728 from 730 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 11:
When dividing 20 by 91, we get 0 with a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 1885.1978
The remainder is 20 after subtracting 0 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Going ahead to step 12:
When dividing 200 by 91, we get 2 with a remainder of 18.
Put 2 as the next digit of the answer. 
Result so far: 1885.197802
Subtract 182 from 200 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.

Advancing to step 13:
When dividing 180 by 91, we get 1 with a remainder of 89.
Write down 1 as next digit of the result. 
Result so far: 1885.1978021
If we subtract 91 from 180, we get 89.
Since there are no more digits in the dividend, we add a zero to the remainder making it 890, and continue the process.

Advancing to step 14:
If we divide 890 by 91, we get 9 and a remainder of 71.
Write down 9 as next digit of the result. 
Result so far: 1885.19780219
Subtracting 819 from 890 leaves us with 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

The final result is 1885.19780219 with a remainder of 7.1e-08.