15989823 ÷ 879 
Let's see how many times 879 fits into 15989823.

Moving on to step 1:
879 can be fit into 1 0 times, resulting in a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Fetch the next digit (5) from the dividend, attach it to 1 and continue: 15 / 879

Step 2:
If we divide 15 by 879, we get 0 and a remainder of 15.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 15 after subtracting 0 from 15.
Bring next digit (9) of the dividend behind the 15 and repeat the process: 159 / 879

Let's proceed to step 3:
If we divide 159 by 879, we get 0 and a remainder of 159.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 159, we get 159.
Include the next digit (8) from the dividend after 159, then repeat: 1598 / 879

On to step 4:
879 can be fit into 1598 1 times, resulting in a remainder of 719.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we subtract 879 from 1598, we get 719.
Grab the next digit (9) from the dividend, add it to 719, then carry on: 7199 / 879

On to step 5:
The number 879 fits into 7199 8 times, leaving a remainder of 167.
Write down 8 as next digit of the result. 
Result so far: 18.0
Subtracting 7032 from 7199 leaves us with 167.
Fetch the next digit (8) from the dividend, attach it to 167 and continue: 1678 / 879

Moving on to step 6:
879 can be fit into 1678 1 times, resulting in a remainder of 799.
Record the quotient 1 as the next digit in the result. 
Result so far: 181.0
Subtracting 879 from 1678 leaves us with 799.
Append the next digit (2) from the dividend to 799 and continue with: 7992 / 879

Moving on to step 7:
If we divide 7992 by 879, we get 9 and a remainder of 81.
Put 9 as the next digit of the answer. 
Result so far: 1819.0
Subtracting 7911 from 7992 leaves us with 81.
Grab the next digit (3) from the dividend, add it to 81, then carry on: 813 / 879

Let's proceed to step 8:
879 can be fit into 813 0 times, resulting in a remainder of 813.
Record the quotient 0 as the next digit in the result. 
Result so far: 18190.0
If we subtract 0 from 813, we get 813.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8130, and continue the process.

Going ahead to step 9:
879 goes into 8130 9 times with a remainder of 219.
The next digit of our result is 9. 
Result so far: 18190.9
Deduct 7911 from 8130 and we're left with 219.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2190, and continue the process.

On to step 10:
The number 879 fits into 2190 2 times, leaving a remainder of 432.
Use 2 as the next digit of our solution. 
Result so far: 18190.92
The remainder is 432 after subtracting 1758 from 2190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4320, and continue the process.

Let's proceed to step 11:
4320 divided by 879 is 4 with a remainder of 804.
The next digit of our result is 4. 
Result so far: 18190.924
Subtract 3516 from 4320 to get 804.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8040, and continue the process.

Let's proceed to step 12:
The number 879 fits into 8040 9 times, leaving a remainder of 129.
Record the quotient 9 as the next digit in the result. 
Result so far: 18190.9249
Deduct 7911 from 8040 and we're left with 129.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1290, and continue the process.

Advancing to step 13:
879 can be fit into 1290 1 times, resulting in a remainder of 411.
Write down 1 as next digit of the result. 
Result so far: 18190.92491
Deduct 879 from 1290 and we're left with 411.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4110, and continue the process.

Let's proceed to step 14:
If we divide 4110 by 879, we get 4 and a remainder of 594.
The next digit of our result is 4. 
Result so far: 18190.924914
Subtracting 3516 from 4110 leaves us with 594.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5940, and continue the process.

Let's proceed to step 15:
If we divide 5940 by 879, we get 6 and a remainder of 666.
The number 6 becomes the next digit in our result. 
Result so far: 18190.9249146
Subtracting 5274 from 5940 leaves us with 666.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6660, and continue the process.

Moving on to step 16:
If we divide 6660 by 879, we get 7 and a remainder of 507.
The next digit of our result is 7. 
Result so far: 18190.92491467
If we subtract 6153 from 6660, we get 507.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5070, and continue the process.

The final result is 18190.92491467 with a remainder of 5.07e-07.