We're dividing 21710 by 20 
We want to divide 21710 by 20.

Moving on to step 1:
20 can be fit into 2 0 times, resulting in a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Fetch the next digit (1) from the dividend, attach it to 2 and continue: 21 / 20

Advancing to step 2:
20 can be fit into 21 1 times, resulting in a remainder of 1.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we take 20 away from 21, we end up with 1.
Append the next digit (7) from the dividend to 1 and continue with: 17 / 20

Going ahead to step 3:
If we divide 17 by 20, we get 0 and a remainder of 17.
Put 0 as the next digit of the answer. 
Result so far: 10.0
Subtract 0 from 17 to get 17.
Take the next digit (1) from the dividend and append it to 17, then repeat: 171 / 20

Advancing to step 4:
171 divided by 20 is 8 with a remainder of 11.
Record the quotient 8 as the next digit in the result. 
Result so far: 108.0
If we subtract 160 from 171, we get 11.
Append the next digit (0) from the dividend to 11 and continue with: 110 / 20

Going ahead to step 5:
20 can be fit into 110 5 times, resulting in a remainder of 10.
The next digit of our result is 5. 
Result so far: 1085.0
Subtracting 100 from 110 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 6:
20 can be fit into 100 5 times, resulting in a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 1085.5
If we subtract 100 from 100, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 7:
When dividing 0 by 20, we get 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 1085.5
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 8:
The number 20 fits into 0 0 times, leaving a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 1085.5
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 1085.5, with a leftover of 0.0.