We're dividing 878589 by 91 
We're looking to find how many times 91 goes into 878589.

Going ahead to step 1:
The number 91 fits into 8 0 times, leaving a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Take the next digit (7) from the dividend and append it to 8, then repeat: 87 / 91

Moving on to step 2:
87 divided by 91 is 0 with a remainder of 87.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 87, we end up with 87.
Fetch the next digit (8) from the dividend, attach it to 87 and continue: 878 / 91

Going ahead to step 3:
91 goes into 878 9 times with a remainder of 59.
Put 9 as the next digit of the answer. 
Result so far: 9.0
If we subtract 819 from 878, we get 59.
Bring next digit (5) of the dividend behind the 59 and repeat the process: 595 / 91

Let's proceed to step 4:
If we divide 595 by 91, we get 6 and a remainder of 49.
Put 6 as the next digit of the answer. 
Result so far: 96.0
Subtract 546 from 595 to get 49.
Fetch the next digit (8) from the dividend, attach it to 49 and continue: 498 / 91

Going ahead to step 5:
When dividing 498 by 91, we get 5 with a remainder of 43.
Record the quotient 5 as the next digit in the result. 
Result so far: 965.0
Deduct 455 from 498 and we're left with 43.
Append the next digit (9) from the dividend to 43 and continue with: 439 / 91

Let's proceed to step 6:
91 goes into 439 4 times with a remainder of 75.
Write down 4 as next digit of the result. 
Result so far: 9654.0
Subtract 364 from 439 to get 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

On to step 7:
The number 91 fits into 750 8 times, leaving a remainder of 22.
Record the quotient 8 as the next digit in the result. 
Result so far: 9654.8
If we subtract 728 from 750, we get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Let's proceed to step 8:
91 goes into 220 2 times with a remainder of 38.
Write down 2 as next digit of the result. 
Result so far: 9654.82
Subtract 182 from 220 to get 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Let's proceed to step 9:
When dividing 380 by 91, we get 4 with a remainder of 16.
The number 4 becomes the next digit in our result. 
Result so far: 9654.824
Deduct 364 from 380 and we're left with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Going ahead to step 10:
160 divided by 91 is 1 with a remainder of 69.
Put 1 as the next digit of the answer. 
Result so far: 9654.8241
If we subtract 91 from 160, we get 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Going ahead to step 11:
The number 91 fits into 690 7 times, leaving a remainder of 53.
The next digit of our result is 7. 
Result so far: 9654.82417
Subtracting 637 from 690 leaves us with 53.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

Moving on to step 12:
91 goes into 530 5 times with a remainder of 75.
The next digit of our result is 5. 
Result so far: 9654.824175
Subtracting 455 from 530 leaves us with 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Advancing to step 13:
The number 91 fits into 750 8 times, leaving a remainder of 22.
The number 8 becomes the next digit in our result. 
Result so far: 9654.8241758
Deduct 728 from 750 and we're left with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Going ahead to step 14:
91 goes into 220 2 times with a remainder of 38.
Put 2 as the next digit of the answer. 
Result so far: 9654.82417582
Subtracting 182 from 220 leaves us with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

After the division, we end up with 9654.82417582 and a remainder of 3.8e-08.