Let's divide 878009 by 84
Let's see how many times 84 fits into 878009.

Going ahead to step 1:
If we divide 8 by 84, we get 0 and a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Fetch the next digit (7) from the dividend, attach it to 8 and continue: 87 / 84

Moving on to step 2:
If we divide 87 by 84, we get 1 and a remainder of 3.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Deduct 84 from 87 and we're left with 3.
Bring next digit (8) of the dividend behind the 3 and repeat the process: 38 / 84

On to step 3:
38 divided by 84 is 0 with a remainder of 38.
The next digit of our result is 0. 
Result so far: 10.0
The remainder is 38 after subtracting 0 from 38.
Take the next digit (0) from the dividend and append it to 38, then repeat: 380 / 84

Moving on to step 4:
If we divide 380 by 84, we get 4 and a remainder of 44.
The number 4 becomes the next digit in our result. 
Result so far: 104.0
Subtract 336 from 380 to get 44.
Take the next digit (0) from the dividend and append it to 44, then repeat: 440 / 84

Moving on to step 5:
The number 84 fits into 440 5 times, leaving a remainder of 20.
Use 5 as the next digit of our solution. 
Result so far: 1045.0
Subtracting 420 from 440 leaves us with 20.
Include the next digit (9) from the dividend after 20, then repeat: 209 / 84

Going ahead to step 6:
84 can be fit into 209 2 times, resulting in a remainder of 41.
Write down 2 as next digit of the result. 
Result so far: 10452.0
The remainder is 41 after subtracting 168 from 209.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Step 7:
410 divided by 84 is 4 with a remainder of 74.
Record the quotient 4 as the next digit in the result. 
Result so far: 10452.4
Deduct 336 from 410 and we're left with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Going ahead to step 8:
If we divide 740 by 84, we get 8 and a remainder of 68.
Put 8 as the next digit of the answer. 
Result so far: 10452.48
If we take 672 away from 740, we end up with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Advancing to step 9:
84 can be fit into 680 8 times, resulting in a remainder of 8.
Record the quotient 8 as the next digit in the result. 
Result so far: 10452.488
Subtracting 672 from 680 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Our division results in 10452.488 with a remaining 0.0008.