188890 ÷ 31 
Our goal is to divide 188890 by 31.

Step 1:
The number 31 fits into 1 0 times, leaving a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Grab the next digit (8) from the dividend, add it to 1, then carry on: 18 / 31

On to step 2:
18 divided by 31 is 0 with a remainder of 18.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 18 to get 18.
Append the next digit (8) from the dividend to 18 and continue with: 188 / 31

On to step 3:
31 goes into 188 6 times with a remainder of 2.
Write down 6 as next digit of the result. 
Result so far: 6.0
The remainder is 2 after subtracting 186 from 188.
Include the next digit (8) from the dividend after 2, then repeat: 28 / 31

Going ahead to step 4:
31 goes into 28 0 times with a remainder of 28.
Put 0 as the next digit of the answer. 
Result so far: 60.0
If we take 0 away from 28, we end up with 28.
Grab the next digit (9) from the dividend, add it to 28, then carry on: 289 / 31

Let's proceed to step 5:
31 goes into 289 9 times with a remainder of 10.
Write down 9 as next digit of the result. 
Result so far: 609.0
Subtract 279 from 289 to get 10.
Grab the next digit (0) from the dividend, add it to 10, then carry on: 100 / 31

Step 6:
If we divide 100 by 31, we get 3 and a remainder of 7.
The next digit of our result is 3. 
Result so far: 6093.0
If we take 93 away from 100, we end up with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Moving on to step 7:
31 can be fit into 70 2 times, resulting in a remainder of 8.
Use 2 as the next digit of our solution. 
Result so far: 6093.2
If we take 62 away from 70, we end up 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.

On to step 8:
31 goes into 80 2 times with a remainder of 18.
Use 2 as the next digit of our solution. 
Result so far: 6093.22
If we subtract 62 from 80, we get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

After the division, we end up with 6093.22 and a remainder of 0.018.