We're dividing 90507090 by 22 
We want to figure out the number of times 90507090 can be divided by 22.

Step 1:
22 can be fit into 9 0 times, resulting in a remainder of 9.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 9, we end up with 9.
Grab the next digit (0) from the dividend, add it to 9, then carry on: 90 / 22

On to step 2:
22 can be fit into 90 4 times, resulting in a remainder of 2.
The number 4 becomes the next digit in our result. 
Result so far: 4.0
If we subtract 88 from 90, we get 2.
Grab the next digit (5) from the dividend, add it to 2, then carry on: 25 / 22

Let's proceed to step 3:
When dividing 25 by 22, we get 1 with a remainder of 3.
Use 1 as the next digit of our solution. 
Result so far: 41.0
If we take 22 away from 25, we end up with 3.
Include the next digit (0) from the dividend after 3, then repeat: 30 / 22

Advancing to step 4:
22 can be fit into 30 1 times, resulting in a remainder of 8.
The number 1 becomes the next digit in our result. 
Result so far: 411.0
If we take 22 away from 30, we end up with 8.
Fetch the next digit (7) from the dividend, attach it to 8 and continue: 87 / 22

Let's proceed to step 5:
87 divided by 22 is 3 with a remainder of 21.
The number 3 becomes the next digit in our result. 
Result so far: 4113.0
If we subtract 66 from 87, we get 21.
Include the next digit (0) from the dividend after 21, then repeat: 210 / 22

Step 6:
When dividing 210 by 22, we get 9 with a remainder of 12.
Record the quotient 9 as the next digit in the result. 
Result so far: 41139.0
If we take 198 away from 210, we end up with 12.
Take the next digit (9) from the dividend and append it to 12, then repeat: 129 / 22

Advancing to step 7:
129 divided by 22 is 5 with a remainder of 19.
Use 5 as the next digit of our solution. 
Result so far: 411395.0
The remainder is 19 after subtracting 110 from 129.
Append the next digit (0) from the dividend to 19 and continue with: 190 / 22

Going ahead to step 8:
22 can be fit into 190 8 times, resulting in a remainder of 14.
Use 8 as the next digit of our solution. 
Result so far: 4113958.0
Subtracting 176 from 190 leaves us with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Going ahead to step 9:
22 goes into 140 6 times with a remainder of 8.
Write down 6 as next digit of the result. 
Result so far: 4113958.6
Subtract 132 from 140 to get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Step 10:
22 can be fit into 80 3 times, resulting in a remainder of 14.
Put 3 as the next digit of the answer. 
Result so far: 4113958.63
If we take 66 away from 80, we end up with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Moving on to step 11:
If we divide 140 by 22, we get 6 and a remainder of 8.
The number 6 becomes the next digit in our result. 
Result so far: 4113958.636
Subtracting 132 from 140 leaves us 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 12:
22 can be fit into 80 3 times, resulting in a remainder of 14.
Put 3 as the next digit of the answer. 
Result so far: 4113958.6363
If we subtract 66 from 80, we get 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Let's proceed to step 13:
22 goes into 140 6 times with a remainder of 8.
Write down 6 as next digit of the result. 
Result so far: 4113958.63636
Subtracting 132 from 140 leaves us 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.

Moving on to step 14:
22 goes into 80 3 times with a remainder of 14.
Put 3 as the next digit of the answer. 
Result so far: 4113958.636363
Subtracting 66 from 80 leaves us with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Let's proceed to step 15:
22 goes into 140 6 times with a remainder of 8.
The next digit of our result is 6. 
Result so far: 4113958.6363636
Subtract 132 from 140 to get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Moving on to step 16:
22 can be fit into 80 3 times, resulting in a remainder of 14.
Record the quotient 3 as the next digit in the result. 
Result so far: 4113958.63636363
Subtract 66 from 80 to get 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

In conclusion, the division gives 4113958.63636363 with a balance of 1.4e-08.