Let's divide 51554718 by 309
Let's see how many times 309 fits into 51554718.

Step 1:
When dividing 5 by 309, we get 0 with a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 5 to get 5.
Grab the next digit (1) from the dividend, add it to 5, then carry on: 51 / 309

Going ahead to step 2:
When dividing 51 by 309, we get 0 with 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.
Take the next digit (5) from the dividend and append it to 51, then repeat: 515 / 309

Going ahead to step 3:
The number 309 fits into 515 1 times, leaving a remainder of 206.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtracting 309 from 515 leaves us with 206.
Bring next digit (5) of the dividend behind the 206 and repeat the process: 2065 / 309

On to step 4:
The number 309 fits into 2065 6 times, leaving a remainder of 211.
Use 6 as the next digit of our solution. 
Result so far: 16.0
Subtract 1854 from 2065 to get 211.
Fetch the next digit (4) from the dividend, attach it to 211 and continue: 2114 / 309

Going ahead to step 5:
309 goes into 2114 6 times with a remainder of 260.
Put 6 as the next digit of the answer. 
Result so far: 166.0
The remainder is 260 after subtracting 1854 from 2114.
Fetch the next digit (7) from the dividend, attach it to 260 and continue: 2607 / 309

Going ahead to step 6:
When dividing 2607 by 309, we get 8 with a remainder of 135.
Record the quotient 8 as the next digit in the result. 
Result so far: 1668.0
Subtracting 2472 from 2607 leaves us with 135.
Append the next digit (1) from the dividend to 135 and continue with: 1351 / 309

On to step 7:
309 goes into 1351 4 times with a remainder of 115.
Put 4 as the next digit of the answer. 
Result so far: 16684.0
The remainder is 115 after subtracting 1236 from 1351.
Include the next digit (8) from the dividend after 115, then repeat: 1158 / 309

On to step 8:
If we divide 1158 by 309, we get 3 and a remainder of 231.
Write down 3 as next digit of the result. 
Result so far: 166843.0
Subtract 927 from 1158 to get 231.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2310, and continue the process.

Let's proceed to step 9:
309 can be fit into 2310 7 times, resulting in a remainder of 147.
The number 7 becomes the next digit in our result. 
Result so far: 166843.7
The remainder is 147 after subtracting 2163 from 2310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1470, and continue the process.

Going ahead to step 10:
If we divide 1470 by 309, we get 4 and a remainder of 234.
The next digit of our result is 4. 
Result so far: 166843.74
Subtract 1236 from 1470 to get 234.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2340, and continue the process.

On to step 11:
If we divide 2340 by 309, we get 7 and a remainder of 177.
Put 7 as the next digit of the answer. 
Result so far: 166843.747
Deduct 2163 from 2340 and we're left with 177.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1770, and continue the process.

Step 12:
When dividing 1770 by 309, we get 5 with a remainder of 225.
Write down 5 as next digit of the result. 
Result so far: 166843.7475
Deduct 1545 from 1770 and we're left with 225.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2250, and continue the process.

On to step 13:
309 goes into 2250 7 times with a remainder of 87.
Use 7 as the next digit of our solution. 
Result so far: 166843.74757
If we take 2163 away from 2250, we end up with 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

Let's proceed to step 14:
The number 309 fits into 870 2 times, leaving a remainder of 252.
The next digit of our result is 2. 
Result so far: 166843.747572
If we take 618 away from 870, we end up with 252.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2520, and continue the process.

Moving on to step 15:
309 goes into 2520 8 times with a remainder of 48.
The next digit of our result is 8. 
Result so far: 166843.7475728
If we subtract 2472 from 2520, we get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Let's proceed to step 16:
309 goes into 480 1 times with a remainder of 171.
Put 1 as the next digit of the answer. 
Result so far: 166843.74757281
If we take 309 away from 480, we end up 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.

After the division, we end up with 166843.74757281 and a remainder of 1.71e-07.