We're dividing 51065385 by 71 
We want to figure out the number of times 51065385 can be divided by 71.

Going ahead to step 1:
71 goes into 5 0 times with a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Take the next digit (1) from the dividend and append it to 5, then repeat: 51 / 71

Step 2:
The number 71 fits into 51 0 times, leaving a remainder of 51.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 51, we get 51.
Append the next digit (0) from the dividend to 51 and continue with: 510 / 71

On to step 3:
The number 71 fits into 510 7 times, leaving a remainder of 13.
Use 7 as the next digit of our solution. 
Result so far: 7.0
Subtracting 497 from 510 leaves us with 13.
Bring next digit (6) of the dividend behind the 13 and repeat the process: 136 / 71

Let's proceed to step 4:
71 goes into 136 1 times with a remainder of 65.
The number 1 becomes the next digit in our result. 
Result so far: 71.0
The remainder is 65 after subtracting 71 from 136.
Bring next digit (5) of the dividend behind the 65 and repeat the process: 655 / 71

Moving on to step 5:
71 can be fit into 655 9 times, resulting in a remainder of 16.
Put 9 as the next digit of the answer. 
Result so far: 719.0
Deduct 639 from 655 and we're left with 16.
Grab the next digit (3) from the dividend, add it to 16, then carry on: 163 / 71

Advancing to step 6:
163 divided by 71 is 2 with a remainder of 21.
Record the quotient 2 as the next digit in the result. 
Result so far: 7192.0
Subtract 142 from 163 to get 21.
Bring next digit (8) of the dividend behind the 21 and repeat the process: 218 / 71

Step 7:
When dividing 218 by 71, we get 3 with a remainder of 5.
The next digit of our result is 3. 
Result so far: 71923.0
If we subtract 213 from 218, we get 5.
Grab the next digit (5) from the dividend, add it to 5, then carry on: 55 / 71

Advancing to step 8:
When dividing 55 by 71, we get 0 with a remainder of 55.
Write down 0 as next digit of the result. 
Result so far: 719230.0
Subtract 0 from 55 to get 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

Going ahead to step 9:
71 can be fit into 550 7 times, resulting in a remainder of 53.
Write down 7 as next digit of the result. 
Result so far: 719230.7
Deduct 497 from 550 and we're left 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.

Going ahead to step 10:
The number 71 fits into 530 7 times, leaving a remainder of 33.
Put 7 as the next digit of the answer. 
Result so far: 719230.77
If we take 497 away from 530, we end up with 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

The quotient of the division is 719230.77, and the remainder is 0.033.