51489036 ÷ 207 
Our goal is to divide 51489036 by 207.

Moving on to step 1:
5 divided by 207 is 0 with a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Grab the next digit (1) from the dividend, add it to 5, then carry on: 51 / 207

Going ahead to step 2:
The number 207 fits into 51 0 times, leaving a remainder of 51.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 51, we end up with 51.
Grab the next digit (4) from the dividend, add it to 51, then carry on: 514 / 207

Going ahead to step 3:
When dividing 514 by 207, we get 2 with a remainder of 100.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Subtract 414 from 514 to get 100.
Append the next digit (8) from the dividend to 100 and continue with: 1008 / 207

Let's proceed to step 4:
The number 207 fits into 1008 4 times, leaving a remainder of 180.
Record the quotient 4 as the next digit in the result. 
Result so far: 24.0
The remainder is 180 after subtracting 828 from 1008.
Bring next digit (9) of the dividend behind the 180 and repeat the process: 1809 / 207

Moving on to step 5:
If we divide 1809 by 207, we get 8 and a remainder of 153.
The number 8 becomes the next digit in our result. 
Result so far: 248.0
If we take 1656 away from 1809, we end up with 153.
Bring next digit (0) of the dividend behind the 153 and repeat the process: 1530 / 207

Going ahead to step 6:
207 goes into 1530 7 times with a remainder of 81.
Put 7 as the next digit of the answer. 
Result so far: 2487.0
Subtract 1449 from 1530 to get 81.
Append the next digit (3) from the dividend to 81 and continue with: 813 / 207

Let's proceed to step 7:
The number 207 fits into 813 3 times, leaving a remainder of 192.
Use 3 as the next digit of our solution. 
Result so far: 24873.0
Deduct 621 from 813 and we're left with 192.
Append the next digit (6) from the dividend to 192 and continue with: 1926 / 207

Moving on to step 8:
If we divide 1926 by 207, we get 9 and a remainder of 63.
Write down 9 as next digit of the result. 
Result so far: 248739.0
Deduct 1863 from 1926 and we're left with 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

Advancing to step 9:
207 can be fit into 630 3 times, resulting in a remainder of 9.
Use 3 as the next digit of our solution. 
Result so far: 248739.3
Subtracting 621 from 630 leaves us with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Step 10:
When dividing 90 by 207, we get 0 with a remainder of 90.
The number 0 becomes the next digit in our result. 
Result so far: 248739.3
Subtracting 0 from 90 leaves us with 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 900, and continue the process.

On to step 11:
900 divided by 207 is 4 with a remainder of 72.
The next digit of our result is 4. 
Result so far: 248739.304
If we take 828 away from 900, we end up with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

On to step 12:
When dividing 720 by 207, we get 3 with a remainder of 99.
Record the quotient 3 as the next digit in the result. 
Result so far: 248739.3043
The remainder is 99 after subtracting 621 from 720.
Since there are no more digits in the dividend, we add a zero to the remainder making it 990, and continue the process.

Let's proceed to step 13:
When dividing 990 by 207, we get 4 with a remainder of 162.
The next digit of our result is 4. 
Result so far: 248739.30434
If we subtract 828 from 990, we get 162.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1620, and continue the process.

Step 14:
When dividing 1620 by 207, we get 7 with a remainder of 171.
Record the quotient 7 as the next digit in the result. 
Result so far: 248739.304347
Subtracting 1449 from 1620 leaves us with 171.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1710, and continue the process.

Let's proceed to step 15:
207 goes into 1710 8 times with a remainder of 54.
The next digit of our result is 8. 
Result so far: 248739.3043478
Deduct 1656 from 1710 and we're left with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Moving on to step 16:
The number 207 fits into 540 2 times, leaving a remainder of 126.
The next digit of our result is 2. 
Result so far: 248739.30434782
Subtract 414 from 540 to get 126.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1260, and continue the process.

After the division, we end up with 248739.30434782 and a remainder of 1.26e-07.