We're dividing 45489016 by 661 
We want to figure out the number of times 45489016 can be divided by 661.

Let's proceed to step 1:
When dividing 4 by 661, we get 0 with a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Take the next digit (5) from the dividend and append it to 4, then repeat: 45 / 661

Step 2:
661 can be fit into 45 0 times, resulting in a remainder of 45.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 45, we end up with 45.
Fetch the next digit (4) from the dividend, attach it to 45 and continue: 454 / 661

Advancing to step 3:
661 can be fit into 454 0 times, resulting in a remainder of 454.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 454 and we're left with 454.
Include the next digit (8) from the dividend after 454, then repeat: 4548 / 661

Going ahead to step 4:
661 can be fit into 4548 6 times, resulting in a remainder of 582.
Put 6 as the next digit of the answer. 
Result so far: 6.0
Deduct 3966 from 4548 and we're left with 582.
Include the next digit (9) from the dividend after 582, then repeat: 5829 / 661

Step 5:
5829 divided by 661 is 8 with a remainder of 541.
Put 8 as the next digit of the answer. 
Result so far: 68.0
Deduct 5288 from 5829 and we're left with 541.
Grab the next digit (0) from the dividend, add it to 541, then carry on: 5410 / 661

Moving on to step 6:
When dividing 5410 by 661, we get 8 with a remainder of 122.
Use 8 as the next digit of our solution. 
Result so far: 688.0
If we subtract 5288 from 5410, we get 122.
Fetch the next digit (1) from the dividend, attach it to 122 and continue: 1221 / 661

Advancing to step 7:
When dividing 1221 by 661, we get 1 with a remainder of 560.
Record the quotient 1 as the next digit in the result. 
Result so far: 6881.0
If we take 661 away from 1221, we end up with 560.
Include the next digit (6) from the dividend after 560, then repeat: 5606 / 661

Moving on to step 8:
If we divide 5606 by 661, we get 8 and a remainder of 318.
Record the quotient 8 as the next digit in the result. 
Result so far: 68818.0
Deduct 5288 from 5606 and we're left with 318.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3180, and continue the process.

Advancing to step 9:
3180 divided by 661 is 4 with a remainder of 536.
The number 4 becomes the next digit in our result. 
Result so far: 68818.4
If we subtract 2644 from 3180, we get 536.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5360, and continue the process.

Moving on to step 10:
661 can be fit into 5360 8 times, resulting in a remainder of 72.
Record the quotient 8 as the next digit in the result. 
Result so far: 68818.48
Deduct 5288 from 5360 and we're left with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Step 11:
The number 661 fits into 720 1 times, leaving a remainder of 59.
Record the quotient 1 as the next digit in the result. 
Result so far: 68818.481
If we take 661 away from 720, we end up with 59.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

Let's proceed to step 12:
590 divided by 661 is 0 with a remainder of 590.
Write down 0 as next digit of the result. 
Result so far: 68818.481
Subtracting 0 from 590 leaves us with 590.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5900, and continue the process.

Step 13:
661 goes into 5900 8 times with a remainder of 612.
The number 8 becomes the next digit in our result. 
Result so far: 68818.48108
If we take 5288 away from 5900, we end up with 612.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6120, and continue the process.

Step 14:
If we divide 6120 by 661, we get 9 and a remainder of 171.
Use 9 as the next digit of our solution. 
Result so far: 68818.481089
Deduct 5949 from 6120 and we're left with 171.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1710, and continue the process.

Moving on to step 15:
1710 divided by 661 is 2 with a remainder of 388.
Record the quotient 2 as the next digit in the result. 
Result so far: 68818.4810892
Subtracting 1322 from 1710 leaves us with 388.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3880, and continue the process.

Going ahead to step 16:
3880 divided by 661 is 5 with a remainder of 575.
Put 5 as the next digit of the answer. 
Result so far: 68818.48108925
Subtract 3305 from 3880 to get 575.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5750, and continue the process.

The final outcome is 68818.48108925, with a leftover of 5.75e-07.