80343 divided by 90 
We want to divide 80343 by 90.

Going ahead to step 1:
90 can be fit into 8 0 times, resulting in a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Fetch the next digit (0) from the dividend, attach it to 8 and continue: 80 / 90

Advancing to step 2:
If we divide 80 by 90, we get 0 and a remainder of 80.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 80, we end up with 80.
Fetch the next digit (3) from the dividend, attach it to 80 and continue: 803 / 90

Going ahead to step 3:
90 goes into 803 8 times with a remainder of 83.
Use 8 as the next digit of our solution. 
Result so far: 8.0
If we subtract 720 from 803, we get 83.
Take the next digit (4) from the dividend and append it to 83, then repeat: 834 / 90

Moving on to step 4:
90 goes into 834 9 times with a remainder of 24.
Put 9 as the next digit of the answer. 
Result so far: 89.0
Deduct 810 from 834 and we're left with 24.
Take the next digit (3) from the dividend and append it to 24, then repeat: 243 / 90

Step 5:
90 can be fit into 243 2 times, resulting in a remainder of 63.
Record the quotient 2 as the next digit in the result. 
Result so far: 892.0
Subtracting 180 from 243 leaves us with 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

Going ahead to step 6:
If we divide 630 by 90, we get 7 and a remainder of 0.
Record the quotient 7 as the next digit in the result. 
Result so far: 892.7
Subtract 630 from 630 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 7:
The number 90 fits into 0 0 times, leaving a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 892.7
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 8:
When dividing 0 by 90, we get 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 892.7
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

After the division, we end up with 892.7 and a remainder of 0.0.