421891 divided by 54 
We want to divide 421891 by 54.

Step 1:
When dividing 4 by 54, we get 0 with a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Bring next digit (2) of the dividend behind the 4 and repeat the process: 42 / 54

On to step 2:
54 goes into 42 0 times with a remainder of 42.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 42, we end up with 42.
Fetch the next digit (1) from the dividend, attach it to 42 and continue: 421 / 54

Moving on to step 3:
54 goes into 421 7 times with a remainder of 43.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
Subtract 378 from 421 to get 43.
Fetch the next digit (8) from the dividend, attach it to 43 and continue: 438 / 54

On to step 4:
When dividing 438 by 54, we get 8 with a remainder of 6.
Record the quotient 8 as the next digit in the result. 
Result so far: 78.0
Subtract 432 from 438 to get 6.
Append the next digit (9) from the dividend to 6 and continue with: 69 / 54

Advancing to step 5:
When dividing 69 by 54, we get 1 with a remainder of 15.
Use 1 as the next digit of our solution. 
Result so far: 781.0
If we take 54 away from 69, we end up with 15.
Take the next digit (1) from the dividend and append it to 15, then repeat: 151 / 54

Step 6:
54 goes into 151 2 times with a remainder of 43.
Use 2 as the next digit of our solution. 
Result so far: 7812.0
Subtracting 108 from 151 leaves us with 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

On to step 7:
54 can be fit into 430 7 times, resulting in a remainder of 52.
Record the quotient 7 as the next digit in the result. 
Result so far: 7812.7
If we subtract 378 from 430, we get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Step 8:
The number 54 fits into 520 9 times, leaving a remainder of 34.
Use 9 as the next digit of our solution. 
Result so far: 7812.79
If we take 486 away from 520, we end up with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Let's proceed to step 9:
54 goes into 340 6 times with a remainder of 16.
Put 6 as the next digit of the answer. 
Result so far: 7812.796
If we subtract 324 from 340, we get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Advancing to step 10:
The number 54 fits into 160 2 times, leaving a remainder of 52.
Write down 2 as next digit of the result. 
Result so far: 7812.7962
Subtract 108 from 160 to get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Let's proceed to step 11:
54 can be fit into 520 9 times, resulting in a remainder of 34.
The next digit of our result is 9. 
Result so far: 7812.79629
Deduct 486 from 520 and we're left with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Advancing to step 12:
When dividing 340 by 54, we get 6 with a remainder of 16.
Use 6 as the next digit of our solution. 
Result so far: 7812.796296
The remainder is 16 after subtracting 324 from 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 13:
The number 54 fits into 160 2 times, leaving a remainder of 52.
The number 2 becomes the next digit in our result. 
Result so far: 7812.7962962
The remainder is 52 after subtracting 108 from 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Moving on to step 14:
The number 54 fits into 520 9 times, leaving a remainder of 34.
Write down 9 as next digit of the result. 
Result so far: 7812.79629629
Subtract 486 from 520 to get 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Our division results in 7812.79629629 with a remaining 3.4e-08.