870940 divided by 9 
Our goal is to divide 870940 by 9.

Step 1:
The number 9 fits into 8 0 times, leaving a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Grab the next digit (7) from the dividend, add it to 8, then carry on: 87 / 9

Step 2:
9 can be fit into 87 9 times, resulting in a remainder of 6.
Put 9 as the next digit of the answer. 
Result so far: 9.0
Deduct 81 from 87 and we're left with 6.
Grab the next digit (0) from the dividend, add it to 6, then carry on: 60 / 9

Let's proceed to step 3:
60 divided by 9 is 6 with a remainder of 6.
Record the quotient 6 as the next digit in the result. 
Result so far: 96.0
If we take 54 away from 60, we end up with 6.
Fetch the next digit (9) from the dividend, attach it to 6 and continue: 69 / 9

Step 4:
9 goes into 69 7 times with a remainder of 6.
Record the quotient 7 as the next digit in the result. 
Result so far: 967.0
Subtract 63 from 69 to get 6.
Bring next digit (4) of the dividend behind the 6 and repeat the process: 64 / 9

On to step 5:
64 divided by 9 is 7 with a remainder of 1.
Put 7 as the next digit of the answer. 
Result so far: 9677.0
Subtracting 63 from 64 leaves us with 1.
Include the next digit (0) from the dividend after 1, then repeat: 10 / 9

Step 6:
10 divided by 9 is 1 with a remainder of 1.
Use 1 as the next digit of our solution. 
Result so far: 96771.0
The remainder is 1 after subtracting 9 from 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Moving on to step 7:
When dividing 10 by 9, we get 1 with a remainder of 1.
The number 1 becomes the next digit in our result. 
Result so far: 96771.1
If we take 9 away from 10, we end up 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.

Step 8:
The number 9 fits into 10 1 times, leaving a remainder of 1.
The next digit of our result is 1. 
Result so far: 96771.11
Subtracting 9 from 10 leaves us 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.

The final result is 96771.11 with a remainder of 0.001.