921388 divided by 42 
Our goal is to divide 921388 by 42.

Advancing to step 1:
9 divided by 42 is 0 with a remainder of 9.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 9, we end up with 9.
Include the next digit (2) from the dividend after 9, then repeat: 92 / 42

Going ahead to step 2:
42 can be fit into 92 2 times, resulting in a remainder of 8.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Subtract 84 from 92 to get 8.
Include the next digit (1) from the dividend after 8, then repeat: 81 / 42

Step 3:
The number 42 fits into 81 1 times, leaving a remainder of 39.
Record the quotient 1 as the next digit in the result. 
Result so far: 21.0
Deduct 42 from 81 and we're left with 39.
Grab the next digit (3) from the dividend, add it to 39, then carry on: 393 / 42

Going ahead to step 4:
393 divided by 42 is 9 with a remainder of 15.
The number 9 becomes the next digit in our result. 
Result so far: 219.0
Deduct 378 from 393 and we're left with 15.
Append the next digit (8) from the dividend to 15 and continue with: 158 / 42

On to step 5:
If we divide 158 by 42, we get 3 and a remainder of 32.
Record the quotient 3 as the next digit in the result. 
Result so far: 2193.0
Subtracting 126 from 158 leaves us with 32.
Grab the next digit (8) from the dividend, add it to 32, then carry on: 328 / 42

Let's proceed to step 6:
If we divide 328 by 42, we get 7 and a remainder of 34.
Put 7 as the next digit of the answer. 
Result so far: 21937.0
Deduct 294 from 328 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.

Moving on to step 7:
42 goes into 340 8 times with a remainder of 4.
Put 8 as the next digit of the answer. 
Result so far: 21937.8
If we subtract 336 from 340, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 8:
The number 42 fits into 40 0 times, leaving a remainder of 40.
Write down 0 as next digit of the result. 
Result so far: 21937.8
If we subtract 0 from 40, 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.

Moving on to step 9:
The number 42 fits into 400 9 times, leaving a remainder of 22.
Put 9 as the next digit of the answer. 
Result so far: 21937.809
If we subtract 378 from 400, we get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Let's proceed to step 10:
42 goes into 220 5 times with a remainder of 10.
The number 5 becomes the next digit in our result. 
Result so far: 21937.8095
Subtracting 210 from 220 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 11:
100 divided by 42 is 2 with a remainder of 16.
Record the quotient 2 as the next digit in the result. 
Result so far: 21937.80952
If we take 84 away from 100, we end up with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

On to step 12:
160 divided by 42 is 3 with a remainder of 34.
The number 3 becomes the next digit in our result. 
Result so far: 21937.809523
If we take 126 away from 160, 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.

Advancing to step 13:
When dividing 340 by 42, we get 8 with a remainder of 4.
Use 8 as the next digit of our solution. 
Result so far: 21937.8095238
Subtract 336 from 340 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 14:
40 divided by 42 is 0 with a remainder of 40.
Use 0 as the next digit of our solution. 
Result so far: 21937.8095238
If we take 0 away from 40, 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.

The quotient of the division is 21937.8095238, and the remainder is 4e-08.