We divide 715435 by 21
Our goal is to divide 715435 by 21.

Let's proceed to step 1:
7 divided by 21 is 0 with a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Bring next digit (1) of the dividend behind the 7 and repeat the process: 71 / 21

Let's proceed to step 2:
21 goes into 71 3 times with a remainder of 8.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
If we take 63 away from 71, we end up with 8.
Append the next digit (5) from the dividend to 8 and continue with: 85 / 21

Advancing to step 3:
85 divided by 21 is 4 with a remainder of 1.
Record the quotient 4 as the next digit in the result. 
Result so far: 34.0
Subtracting 84 from 85 leaves us with 1.
Take the next digit (4) from the dividend and append it to 1, then repeat: 14 / 21

Going ahead to step 4:
14 divided by 21 is 0 with a remainder of 14.
The next digit of our result is 0. 
Result so far: 340.0
Subtracting 0 from 14 leaves us with 14.
Bring next digit (3) of the dividend behind the 14 and repeat the process: 143 / 21

Advancing to step 5:
21 goes into 143 6 times with a remainder of 17.
The next digit of our result is 6. 
Result so far: 3406.0
Deduct 126 from 143 and we're left with 17.
Grab the next digit (5) from the dividend, add it to 17, then carry on: 175 / 21

On to step 6:
If we divide 175 by 21, we get 8 and a remainder of 7.
The number 8 becomes the next digit in our result. 
Result so far: 34068.0
The remainder is 7 after subtracting 168 from 175.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

On to step 7:
21 goes into 70 3 times with a remainder of 7.
The next digit of our result is 3. 
Result so far: 34068.3
The remainder is 7 after subtracting 63 from 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Step 8:
21 goes into 70 3 times with a remainder of 7.
Record the quotient 3 as the next digit in the result. 
Result so far: 34068.33
Subtracting 63 from 70 leaves us with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Our division results in 34068.33 with a remaining 0.007.