20446 ÷ 90 
We want to figure out the number of times 20446 can be divided by 90.

Advancing to step 1:
The number 90 fits into 2 0 times, leaving a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Append the next digit (0) from the dividend to 2 and continue with: 20 / 90

On to step 2:
When dividing 20 by 90, we get 0 with a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 20 and we're left with 20.
Bring next digit (4) of the dividend behind the 20 and repeat the process: 204 / 90

Advancing to step 3:
If we divide 204 by 90, we get 2 and a remainder of 24.
Use 2 as the next digit of our solution. 
Result so far: 2.0
If we subtract 180 from 204, we get 24.
Append the next digit (4) from the dividend to 24 and continue with: 244 / 90

Going ahead to step 4:
90 can be fit into 244 2 times, resulting in a remainder of 64.
The number 2 becomes the next digit in our result. 
Result so far: 22.0
Deduct 180 from 244 and we're left with 64.
Bring next digit (6) of the dividend behind the 64 and repeat the process: 646 / 90

Step 5:
The number 90 fits into 646 7 times, leaving a remainder of 16.
Put 7 as the next digit of the answer. 
Result so far: 227.0
If we subtract 630 from 646, we get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Advancing to step 6:
If we divide 160 by 90, we get 1 and a remainder of 70.
Record the quotient 1 as the next digit in the result. 
Result so far: 227.1
If we subtract 90 from 160, we get 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Going ahead to step 7:
If we divide 700 by 90, we get 7 and a remainder of 70.
Record the quotient 7 as the next digit in the result. 
Result so far: 227.17
If we take 630 away from 700, we end up with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Moving on to step 8:
When dividing 700 by 90, we get 7 with a remainder of 70.
Put 7 as the next digit of the answer. 
Result so far: 227.177
Deduct 630 from 700 and we're left with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

In conclusion, the division gives 227.177 with a balance of 0.007.