644641 divided by 97 
Our goal is to divide 644641 by 97.

Moving on to step 1:
97 goes into 6 0 times with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Bring next digit (4) of the dividend behind the 6 and repeat the process: 64 / 97

Let's proceed to step 2:
If we divide 64 by 97, we get 0 and a remainder of 64.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 64 to get 64.
Append the next digit (4) from the dividend to 64 and continue with: 644 / 97

Moving on to step 3:
The number 97 fits into 644 6 times, leaving a remainder of 62.
The next digit of our result is 6. 
Result so far: 6.0
If we subtract 582 from 644, we get 62.
Take the next digit (6) from the dividend and append it to 62, then repeat: 626 / 97

Advancing to step 4:
626 divided by 97 is 6 with a remainder of 44.
Record the quotient 6 as the next digit in the result. 
Result so far: 66.0
The remainder is 44 after subtracting 582 from 626.
Take the next digit (4) from the dividend and append it to 44, then repeat: 444 / 97

Advancing to step 5:
The number 97 fits into 444 4 times, leaving a remainder of 56.
Use 4 as the next digit of our solution. 
Result so far: 664.0
If we subtract 388 from 444, we get 56.
Fetch the next digit (1) from the dividend, attach it to 56 and continue: 561 / 97

Advancing to step 6:
When dividing 561 by 97, we get 5 with a remainder of 76.
Record the quotient 5 as the next digit in the result. 
Result so far: 6645.0
Subtract 485 from 561 to get 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

Step 7:
97 goes into 760 7 times with a remainder of 81.
Write down 7 as next digit of the result. 
Result so far: 6645.7
The remainder is 81 after subtracting 679 from 760.
Since there are no more digits in the dividend, we add a zero to the remainder making it 810, and continue the process.

Moving on to step 8:
97 goes into 810 8 times with a remainder of 34.
Record the quotient 8 as the next digit in the result. 
Result so far: 6645.78
Subtracting 776 from 810 leaves us 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:
If we divide 340 by 97, we get 3 and a remainder of 49.
The number 3 becomes the next digit in our result. 
Result so far: 6645.783
Subtracting 291 from 340 leaves us with 49.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Advancing to step 10:
490 divided by 97 is 5 with a remainder of 5.
Write down 5 as next digit of the result. 
Result so far: 6645.7835
Subtract 485 from 490 to get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Going ahead to step 11:
If we divide 50 by 97, we get 0 and a remainder of 50.
Write down 0 as next digit of the result. 
Result so far: 6645.7835
Deduct 0 from 50 and we're left with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

On to step 12:
97 can be fit into 500 5 times, resulting in a remainder of 15.
Record the quotient 5 as the next digit in the result. 
Result so far: 6645.783505
If we take 485 away from 500, we end up 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.

On to step 13:
150 divided by 97 is 1 with a remainder of 53.
Use 1 as the next digit of our solution. 
Result so far: 6645.7835051
Subtracting 97 from 150 leaves us with 53.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

Step 14:
The number 97 fits into 530 5 times, leaving a remainder of 45.
Record the quotient 5 as the next digit in the result. 
Result so far: 6645.78350515
If we subtract 485 from 530, we get 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

The final result is 6645.78350515 with a remainder of 4.5e-08.