645422 divided by 30 
We want to figure out the number of times 645422 can be divided by 30.

Step 1:
6 divided by 30 is 0 with a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Bring next digit (4) of the dividend behind the 6 and repeat the process: 64 / 30

Moving on to step 2:
The number 30 fits into 64 2 times, leaving a remainder of 4.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Deduct 60 from 64 and we're left with 4.
Grab the next digit (5) from the dividend, add it to 4, then carry on: 45 / 30

Going ahead to step 3:
45 divided by 30 is 1 with a remainder of 15.
The next digit of our result is 1. 
Result so far: 21.0
If we subtract 30 from 45, we get 15.
Grab the next digit (4) from the dividend, add it to 15, then carry on: 154 / 30

Step 4:
When dividing 154 by 30, we get 5 with a remainder of 4.
Put 5 as the next digit of the answer. 
Result so far: 215.0
If we subtract 150 from 154, we get 4.
Grab the next digit (2) from the dividend, add it to 4, then carry on: 42 / 30

On to step 5:
The number 30 fits into 42 1 times, leaving a remainder of 12.
Use 1 as the next digit of our solution. 
Result so far: 2151.0
Subtracting 30 from 42 leaves us with 12.
Take the next digit (2) from the dividend and append it to 12, then repeat: 122 / 30

Advancing to step 6:
30 can be fit into 122 4 times, resulting in a remainder of 2.
Write down 4 as next digit of the result. 
Result so far: 21514.0
If we subtract 120 from 122, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 7:
30 goes into 20 0 times with a remainder of 20.
Use 0 as the next digit of our solution. 
Result so far: 21514.0
The remainder is 20 after subtracting 0 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 8:
30 can be fit into 200 6 times, resulting in a remainder of 20.
Use 6 as the next digit of our solution. 
Result so far: 21514.06
If we subtract 180 from 200, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 9:
If we divide 200 by 30, we get 6 and a remainder of 20.
Put 6 as the next digit of the answer. 
Result so far: 21514.066
The remainder is 20 after subtracting 180 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

After the division, we end up with 21514.066 and a remainder of 0.002.