869879 divided by 45 
Let's see how many times 45 fits into 869879.

Going ahead to step 1:
45 can be fit into 8 0 times, resulting in a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Grab the next digit (6) from the dividend, add it to 8, then carry on: 86 / 45

Let's proceed to step 2:
45 goes into 86 1 times with a remainder of 41.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we take 45 away from 86, we end up with 41.
Include the next digit (9) from the dividend after 41, then repeat: 419 / 45

Going ahead to step 3:
The number 45 fits into 419 9 times, leaving a remainder of 14.
The number 9 becomes the next digit in our result. 
Result so far: 19.0
If we subtract 405 from 419, we get 14.
Grab the next digit (8) from the dividend, add it to 14, then carry on: 148 / 45

Moving on to step 4:
45 goes into 148 3 times with a remainder of 13.
Put 3 as the next digit of the answer. 
Result so far: 193.0
Subtract 135 from 148 to get 13.
Take the next digit (7) from the dividend and append it to 13, then repeat: 137 / 45

Advancing to step 5:
137 divided by 45 is 3 with a remainder of 2.
Record the quotient 3 as the next digit in the result. 
Result so far: 1933.0
The remainder is 2 after subtracting 135 from 137.
Take the next digit (9) from the dividend and append it to 2, then repeat: 29 / 45

Step 6:
If we divide 29 by 45, we get 0 and a remainder of 29.
The next digit of our result is 0. 
Result so far: 19330.0
If we take 0 away from 29, we end up with 29.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

Going ahead to step 7:
45 can be fit into 290 6 times, resulting in a remainder of 20.
Use 6 as the next digit of our solution. 
Result so far: 19330.6
The remainder is 20 after subtracting 270 from 290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Advancing to step 8:
When dividing 200 by 45, we get 4 with a remainder of 20.
The number 4 becomes the next digit in our result. 
Result so far: 19330.64
Subtract 180 from 200 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 9:
45 can be fit into 200 4 times, resulting in a remainder of 20.
Write down 4 as next digit of the result. 
Result so far: 19330.644
The remainder is 20 after subtracting 180 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

After the division, we end up with 19330.644 and a remainder of 0.002.