We're dividing 73428451 by 405 
Our goal is to divide 73428451 by 405.

On to step 1:
When dividing 7 by 405, we get 0 with a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Grab the next digit (3) from the dividend, add it to 7, then carry on: 73 / 405

On to step 2:
When dividing 73 by 405, we get 0 with a remainder of 73.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 73, we get 73.
Bring next digit (4) of the dividend behind the 73 and repeat the process: 734 / 405

Let's proceed to step 3:
734 divided by 405 is 1 with a remainder of 329.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtracting 405 from 734 leaves us with 329.
Take the next digit (2) from the dividend and append it to 329, then repeat: 3292 / 405

Moving on to step 4:
The number 405 fits into 3292 8 times, leaving a remainder of 52.
Use 8 as the next digit of our solution. 
Result so far: 18.0
Deduct 3240 from 3292 and we're left with 52.
Bring next digit (8) of the dividend behind the 52 and repeat the process: 528 / 405

Advancing to step 5:
405 can be fit into 528 1 times, resulting in a remainder of 123.
Use 1 as the next digit of our solution. 
Result so far: 181.0
Deduct 405 from 528 and we're left with 123.
Bring next digit (4) of the dividend behind the 123 and repeat the process: 1234 / 405

Going ahead to step 6:
1234 divided by 405 is 3 with a remainder of 19.
The next digit of our result is 3. 
Result so far: 1813.0
If we subtract 1215 from 1234, we get 19.
Fetch the next digit (5) from the dividend, attach it to 19 and continue: 195 / 405

Let's proceed to step 7:
405 can be fit into 195 0 times, resulting in a remainder of 195.
Use 0 as the next digit of our solution. 
Result so far: 18130.0
The remainder is 195 after subtracting 0 from 195.
Grab the next digit (1) from the dividend, add it to 195, then carry on: 1951 / 405

Moving on to step 8:
The number 405 fits into 1951 4 times, leaving a remainder of 331.
The number 4 becomes the next digit in our result. 
Result so far: 181304.0
Subtracting 1620 from 1951 leaves us with 331.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3310, and continue the process.

Going ahead to step 9:
405 goes into 3310 8 times with a remainder of 70.
Put 8 as the next digit of the answer. 
Result so far: 181304.8
The remainder is 70 after subtracting 3240 from 3310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Let's proceed to step 10:
The number 405 fits into 700 1 times, leaving a remainder of 295.
Put 1 as the next digit of the answer. 
Result so far: 181304.81
If we subtract 405 from 700, we get 295.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2950, and continue the process.

Step 11:
405 goes into 2950 7 times with a remainder of 115.
Put 7 as the next digit of the answer. 
Result so far: 181304.817
If we take 2835 away from 2950, we end up with 115.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1150, and continue the process.

Let's proceed to step 12:
The number 405 fits into 1150 2 times, leaving a remainder of 340.
The next digit of our result is 2. 
Result so far: 181304.8172
Subtract 810 from 1150 to get 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

Step 13:
The number 405 fits into 3400 8 times, leaving a remainder of 160.
Use 8 as the next digit of our solution. 
Result so far: 181304.81728
Deduct 3240 from 3400 and we're left with 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

On to step 14:
The number 405 fits into 1600 3 times, leaving a remainder of 385.
Put 3 as the next digit of the answer. 
Result so far: 181304.817283
Subtract 1215 from 1600 to get 385.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3850, and continue the process.

On to step 15:
When dividing 3850 by 405, we get 9 with a remainder of 205.
Use 9 as the next digit of our solution. 
Result so far: 181304.8172839
Subtract 3645 from 3850 to get 205.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2050, and continue the process.

Going ahead to step 16:
When dividing 2050 by 405, we get 5 with a remainder of 25.
Write down 5 as next digit of the result. 
Result so far: 181304.81728395
Subtracting 2025 from 2050 leaves us with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

After the division, we end up with 181304.81728395 and a remainder of 2.5e-08.