We're dividing 661810 by 45 
Our goal is to divide 661810 by 45.

Moving on to step 1:
45 can be fit into 6 0 times, resulting in a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Bring next digit (6) of the dividend behind the 6 and repeat the process: 66 / 45

Going ahead to step 2:
45 can be fit into 66 1 times, resulting in a remainder of 21.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we take 45 away from 66, we end up with 21.
Bring next digit (1) of the dividend behind the 21 and repeat the process: 211 / 45

Step 3:
The number 45 fits into 211 4 times, leaving a remainder of 31.
Put 4 as the next digit of the answer. 
Result so far: 14.0
If we take 180 away from 211, we end up with 31.
Bring next digit (8) of the dividend behind the 31 and repeat the process: 318 / 45

Step 4:
45 goes into 318 7 times with a remainder of 3.
Write down 7 as next digit of the result. 
Result so far: 147.0
If we take 315 away from 318, we end up with 3.
Take the next digit (1) from the dividend and append it to 3, then repeat: 31 / 45

Step 5:
The number 45 fits into 31 0 times, leaving a remainder of 31.
Use 0 as the next digit of our solution. 
Result so far: 1470.0
The remainder is 31 after subtracting 0 from 31.
Bring next digit (0) of the dividend behind the 31 and repeat the process: 310 / 45

Moving on to step 6:
If we divide 310 by 45, we get 6 and a remainder of 40.
Put 6 as the next digit of the answer. 
Result so far: 14706.0
Subtracting 270 from 310 leaves us with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 7:
45 goes into 400 8 times with a remainder of 40.
The number 8 becomes the next digit in our result. 
Result so far: 14706.8
Subtracting 360 from 400 leaves us with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Moving on to step 8:
45 can be fit into 400 8 times, resulting in a remainder of 40.
Use 8 as the next digit of our solution. 
Result so far: 14706.88
If we subtract 360 from 400, we get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

The final outcome is 14706.88, with a leftover of 0.04.