We look at the division of 740668 by 21 
We want to divide 740668 by 21.

On to step 1:
When dividing 7 by 21, we get 0 with a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Append the next digit (4) from the dividend to 7 and continue with: 74 / 21

Step 2:
74 divided by 21 is 3 with a remainder of 11.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
Subtract 63 from 74 to get 11.
Take the next digit (0) from the dividend and append it to 11, then repeat: 110 / 21

Going ahead to step 3:
The number 21 fits into 110 5 times, leaving a remainder of 5.
Record the quotient 5 as the next digit in the result. 
Result so far: 35.0
Subtract 105 from 110 to get 5.
Take the next digit (6) from the dividend and append it to 5, then repeat: 56 / 21

Let's proceed to step 4:
The number 21 fits into 56 2 times, leaving a remainder of 14.
Use 2 as the next digit of our solution. 
Result so far: 352.0
The remainder is 14 after subtracting 42 from 56.
Fetch the next digit (6) from the dividend, attach it to 14 and continue: 146 / 21

Let's proceed to step 5:
21 goes into 146 6 times with a remainder of 20.
Put 6 as the next digit of the answer. 
Result so far: 3526.0
Deduct 126 from 146 and we're left with 20.
Include the next digit (8) from the dividend after 20, then repeat: 208 / 21

Moving on to step 6:
21 can be fit into 208 9 times, resulting in a remainder of 19.
Use 9 as the next digit of our solution. 
Result so far: 35269.0
If we take 189 away from 208, we end up with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Let's proceed to step 7:
190 divided by 21 is 9 with a remainder of 1.
Put 9 as the next digit of the answer. 
Result so far: 35269.9
Deduct 189 from 190 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Let's proceed to step 8:
The number 21 fits into 10 0 times, leaving a remainder of 10.
The next digit of our result is 0. 
Result so far: 35269.9
If we subtract 0 from 10, we get 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 9:
100 divided by 21 is 4 with a remainder of 16.
Put 4 as the next digit of the answer. 
Result so far: 35269.904
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.

Going ahead to step 10:
21 goes into 160 7 times with a remainder of 13.
Write down 7 as next digit of the result. 
Result so far: 35269.9047
Subtract 147 from 160 to get 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Let's proceed to step 11:
21 can be fit into 130 6 times, resulting in a remainder of 4.
The number 6 becomes the next digit in our result. 
Result so far: 35269.90476
Subtracting 126 from 130 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 12:
21 goes into 40 1 times with a remainder of 19.
Write down 1 as next digit of the result. 
Result so far: 35269.904761
Subtracting 21 from 40 leaves us with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Let's proceed to step 13:
21 goes into 190 9 times with a remainder of 1.
Put 9 as the next digit of the answer. 
Result so far: 35269.9047619
Subtracting 189 from 190 leaves us with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

On to step 14:
The number 21 fits into 10 0 times, leaving a remainder of 10.
Write down 0 as next digit of the result. 
Result so far: 35269.9047619
The remainder is 10 after subtracting 0 from 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

After the division, we end up with 35269.9047619 and a remainder of 1e-08.