Let's divide 55785824 by 642
We want to divide 55785824 by 642.

On to step 1:
If we divide 5 by 642, we get 0 and 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.
Take the next digit (5) from the dividend and append it to 5, then repeat: 55 / 642

On to step 2:
642 can be fit into 55 0 times, resulting in a remainder of 55.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 55 after subtracting 0 from 55.
Fetch the next digit (7) from the dividend, attach it to 55 and continue: 557 / 642

Going ahead to step 3:
642 goes into 557 0 times with a remainder of 557.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 557 leaves us with 557.
Fetch the next digit (8) from the dividend, attach it to 557 and continue: 5578 / 642

On to step 4:
642 can be fit into 5578 8 times, resulting in a remainder of 442.
Write down 8 as next digit of the result. 
Result so far: 8.0
If we subtract 5136 from 5578, we get 442.
Grab the next digit (5) from the dividend, add it to 442, then carry on: 4425 / 642

Going ahead to step 5:
642 goes into 4425 6 times with a remainder of 573.
Record the quotient 6 as the next digit in the result. 
Result so far: 86.0
If we take 3852 away from 4425, we end up with 573.
Append the next digit (8) from the dividend to 573 and continue with: 5738 / 642

Advancing to step 6:
642 can be fit into 5738 8 times, resulting in a remainder of 602.
The number 8 becomes the next digit in our result. 
Result so far: 868.0
If we subtract 5136 from 5738, we get 602.
Take the next digit (2) from the dividend and append it to 602, then repeat: 6022 / 642

On to step 7:
When dividing 6022 by 642, we get 9 with a remainder of 244.
Use 9 as the next digit of our solution. 
Result so far: 8689.0
The remainder is 244 after subtracting 5778 from 6022.
Include the next digit (4) from the dividend after 244, then repeat: 2444 / 642

Step 8:
642 goes into 2444 3 times with a remainder of 518.
Record the quotient 3 as the next digit in the result. 
Result so far: 86893.0
The remainder is 518 after subtracting 1926 from 2444.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5180, and continue the process.

Let's proceed to step 9:
642 can be fit into 5180 8 times, resulting in a remainder of 44.
Put 8 as the next digit of the answer. 
Result so far: 86893.8
If we subtract 5136 from 5180, we get 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Advancing to step 10:
The number 642 fits into 440 0 times, leaving a remainder of 440.
The next digit of our result is 0. 
Result so far: 86893.8
Subtracting 0 from 440 leaves us with 440.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4400, and continue the process.

Moving on to step 11:
642 can be fit into 4400 6 times, resulting in a remainder of 548.
The number 6 becomes the next digit in our result. 
Result so far: 86893.806
Subtract 3852 from 4400 to get 548.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5480, and continue the process.

Step 12:
642 can be fit into 5480 8 times, resulting in a remainder of 344.
The next digit of our result is 8. 
Result so far: 86893.8068
Deduct 5136 from 5480 and we're left with 344.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3440, and continue the process.

Going ahead to step 13:
642 goes into 3440 5 times with a remainder of 230.
Put 5 as the next digit of the answer. 
Result so far: 86893.80685
Subtracting 3210 from 3440 leaves us with 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

Step 14:
If we divide 2300 by 642, we get 3 and a remainder of 374.
Put 3 as the next digit of the answer. 
Result so far: 86893.806853
If we take 1926 away from 2300, we end up with 374.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3740, and continue the process.

Let's proceed to step 15:
642 can be fit into 3740 5 times, resulting in a remainder of 530.
The number 5 becomes the next digit in our result. 
Result so far: 86893.8068535
If we subtract 3210 from 3740, we get 530.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5300, and continue the process.

Going ahead to step 16:
642 can be fit into 5300 8 times, resulting in a remainder of 164.
The next digit of our result is 8. 
Result so far: 86893.80685358
The remainder is 164 after subtracting 5136 from 5300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1640, and continue the process.

The final outcome is 86893.80685358, with a leftover of 1.64e-07.