Let's divide 51123842 by 195
We want to figure out the number of times 51123842 can be divided by 195.

On to step 1:
The number 195 fits into 5 0 times, leaving a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Include the next digit (1) from the dividend after 5, then repeat: 51 / 195

On to step 2:
195 can be fit into 51 0 times, resulting in a remainder of 51.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 51, we get 51.
Bring next digit (1) of the dividend behind the 51 and repeat the process: 511 / 195

Going ahead to step 3:
195 goes into 511 2 times with a remainder of 121.
Write down 2 as next digit of the result. 
Result so far: 2.0
The remainder is 121 after subtracting 390 from 511.
Grab the next digit (2) from the dividend, add it to 121, then carry on: 1212 / 195

Let's proceed to step 4:
The number 195 fits into 1212 6 times, leaving a remainder of 42.
The number 6 becomes the next digit in our result. 
Result so far: 26.0
Deduct 1170 from 1212 and we're left with 42.
Take the next digit (3) from the dividend and append it to 42, then repeat: 423 / 195

On to step 5:
195 goes into 423 2 times with a remainder of 33.
Use 2 as the next digit of our solution. 
Result so far: 262.0
If we subtract 390 from 423, we get 33.
Include the next digit (8) from the dividend after 33, then repeat: 338 / 195

Moving on to step 6:
338 divided by 195 is 1 with a remainder of 143.
Use 1 as the next digit of our solution. 
Result so far: 2621.0
If we take 195 away from 338, we end up with 143.
Grab the next digit (4) from the dividend, add it to 143, then carry on: 1434 / 195

Going ahead to step 7:
If we divide 1434 by 195, we get 7 and a remainder of 69.
The number 7 becomes the next digit in our result. 
Result so far: 26217.0
The remainder is 69 after subtracting 1365 from 1434.
Fetch the next digit (2) from the dividend, attach it to 69 and continue: 692 / 195

Advancing to step 8:
195 goes into 692 3 times with a remainder of 107.
Put 3 as the next digit of the answer. 
Result so far: 262173.0
Subtracting 585 from 692 leaves us with 107.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1070, and continue the process.

Going ahead to step 9:
If we divide 1070 by 195, we get 5 and a remainder of 95.
Put 5 as the next digit of the answer. 
Result so far: 262173.5
If we subtract 975 from 1070, we get 95.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

Step 10:
195 goes into 950 4 times with a remainder of 170.
The next digit of our result is 4. 
Result so far: 262173.54
Subtract 780 from 950 to get 170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1700, and continue the process.

Let's proceed to step 11:
195 can be fit into 1700 8 times, resulting in a remainder of 140.
Put 8 as the next digit of the answer. 
Result so far: 262173.548
Deduct 1560 from 1700 and we're left with 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

Moving on to step 12:
195 goes into 1400 7 times with a remainder of 35.
Record the quotient 7 as the next digit in the result. 
Result so far: 262173.5487
Subtracting 1365 from 1400 leaves us with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Moving on to step 13:
195 can be fit into 350 1 times, resulting in a remainder of 155.
The next digit of our result is 1. 
Result so far: 262173.54871
If we subtract 195 from 350, we get 155.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1550, and continue the process.

Let's proceed to step 14:
When dividing 1550 by 195, we get 7 with a remainder of 185.
Record the quotient 7 as the next digit in the result. 
Result so far: 262173.548717
If we take 1365 away from 1550, we end up with 185.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1850, and continue the process.

Moving on to step 15:
The number 195 fits into 1850 9 times, leaving a remainder of 95.
The number 9 becomes the next digit in our result. 
Result so far: 262173.5487179
Subtracting 1755 from 1850 leaves us with 95.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

Step 16:
If we divide 950 by 195, we get 4 and a remainder of 170.
Record the quotient 4 as the next digit in the result. 
Result so far: 262173.54871794
If we subtract 780 from 950, we get 170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1700, and continue the process.

In conclusion, the division gives 262173.54871794 with a balance of 1.7e-07.