421230 divided by 55 
We want to figure out the number of times 421230 can be divided by 55.

On to step 1:
55 can be fit into 4 0 times, resulting in a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Grab the next digit (2) from the dividend, add it to 4, then carry on: 42 / 55

Let's proceed to step 2:
When dividing 42 by 55, we get 0 with a remainder of 42.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 42 after subtracting 0 from 42.
Append the next digit (1) from the dividend to 42 and continue with: 421 / 55

Moving on to step 3:
The number 55 fits into 421 7 times, leaving a remainder of 36.
Put 7 as the next digit of the answer. 
Result so far: 7.0
Subtracting 385 from 421 leaves us with 36.
Bring next digit (2) of the dividend behind the 36 and repeat the process: 362 / 55

Step 4:
If we divide 362 by 55, we get 6 and a remainder of 32.
Record the quotient 6 as the next digit in the result. 
Result so far: 76.0
The remainder is 32 after subtracting 330 from 362.
Include the next digit (3) from the dividend after 32, then repeat: 323 / 55

Let's proceed to step 5:
323 divided by 55 is 5 with a remainder of 48.
The number 5 becomes the next digit in our result. 
Result so far: 765.0
Deduct 275 from 323 and we're left with 48.
Include the next digit (0) from the dividend after 48, then repeat: 480 / 55

On to step 6:
The number 55 fits into 480 8 times, leaving a remainder of 40.
The next digit of our result is 8. 
Result so far: 7658.0
Subtracting 440 from 480 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.

Going ahead to step 7:
55 can be fit into 400 7 times, resulting in a remainder of 15.
Use 7 as the next digit of our solution. 
Result so far: 7658.7
The remainder is 15 after subtracting 385 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Moving on to step 8:
55 goes into 150 2 times with a remainder of 40.
Put 2 as the next digit of the answer. 
Result so far: 7658.72
The remainder is 40 after subtracting 110 from 150.
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 9:
When dividing 400 by 55, we get 7 with a remainder of 15.
The number 7 becomes the next digit in our result. 
Result so far: 7658.727
The remainder is 15 after subtracting 385 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Advancing to step 10:
55 can be fit into 150 2 times, resulting in a remainder of 40.
Write down 2 as next digit of the result. 
Result so far: 7658.7272
If we subtract 110 from 150, 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.

Step 11:
When dividing 400 by 55, we get 7 with a remainder of 15.
Record the quotient 7 as the next digit in the result. 
Result so far: 7658.72727
Subtracting 385 from 400 leaves us with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Going ahead to step 12:
150 divided by 55 is 2 with a remainder of 40.
Record the quotient 2 as the next digit in the result. 
Result so far: 7658.727272
Subtracting 110 from 150 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 13:
The number 55 fits into 400 7 times, leaving a remainder of 15.
Use 7 as the next digit of our solution. 
Result so far: 7658.7272727
The remainder is 15 after subtracting 385 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Let's proceed to step 14:
150 divided by 55 is 2 with a remainder of 40.
Record the quotient 2 as the next digit in the result. 
Result so far: 7658.72727272
If we take 110 away from 150, we end up 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.

After the division, we end up with 7658.72727272 and a remainder of 4e-08.