55800264 ÷ 851 
We want to divide 55800264 by 851.

Let's proceed to step 1:
When dividing 5 by 851, we get 0 with a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Fetch the next digit (5) from the dividend, attach it to 5 and continue: 55 / 851

Step 2:
55 divided by 851 is 0 with a remainder of 55.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 55, we get 55.
Take the next digit (8) from the dividend and append it to 55, then repeat: 558 / 851

Moving on to step 3:
If we divide 558 by 851, we get 0 and a remainder of 558.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 558, we end up with 558.
Bring next digit (0) of the dividend behind the 558 and repeat the process: 5580 / 851

Step 4:
851 can be fit into 5580 6 times, resulting in a remainder of 474.
Put 6 as the next digit of the answer. 
Result so far: 6.0
Subtracting 5106 from 5580 leaves us with 474.
Bring next digit (0) of the dividend behind the 474 and repeat the process: 4740 / 851

On to step 5:
851 can be fit into 4740 5 times, resulting in a remainder of 485.
The next digit of our result is 5. 
Result so far: 65.0
If we take 4255 away from 4740, we end up with 485.
Append the next digit (2) from the dividend to 485 and continue with: 4852 / 851

Step 6:
When dividing 4852 by 851, we get 5 with a remainder of 597.
Record the quotient 5 as the next digit in the result. 
Result so far: 655.0
If we subtract 4255 from 4852, we get 597.
Grab the next digit (6) from the dividend, add it to 597, then carry on: 5976 / 851

Step 7:
When dividing 5976 by 851, we get 7 with a remainder of 19.
The next digit of our result is 7. 
Result so far: 6557.0
Subtract 5957 from 5976 to get 19.
Bring next digit (4) of the dividend behind the 19 and repeat the process: 194 / 851

Step 8:
851 can be fit into 194 0 times, resulting in a remainder of 194.
Record the quotient 0 as the next digit in the result. 
Result so far: 65570.0
The remainder is 194 after subtracting 0 from 194.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1940, and continue the process.

Step 9:
The number 851 fits into 1940 2 times, leaving a remainder of 238.
Record the quotient 2 as the next digit in the result. 
Result so far: 65570.2
If we subtract 1702 from 1940, we get 238.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2380, and continue the process.

On to step 10:
The number 851 fits into 2380 2 times, leaving a remainder of 678.
Put 2 as the next digit of the answer. 
Result so far: 65570.22
If we subtract 1702 from 2380, we get 678.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6780, and continue the process.

The final result is 65570.22 with a remainder of 0.678.