We look at the division of 51504223 by 142 
Let's see how many times 142 fits into 51504223.

Going ahead to step 1:
When dividing 5 by 142, we get 0 with a remainder of 5.
Record the quotient 0 as the next digit in the result. 
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 / 142

On to step 2:
51 divided by 142 is 0 with a remainder of 51.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 51, we get 51.
Grab the next digit (5) from the dividend, add it to 51, then carry on: 515 / 142

Step 3:
When dividing 515 by 142, we get 3 with a remainder of 89.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Subtracting 426 from 515 leaves us with 89.
Take the next digit (0) from the dividend and append it to 89, then repeat: 890 / 142

On to step 4:
142 can be fit into 890 6 times, resulting in a remainder of 38.
Put 6 as the next digit of the answer. 
Result so far: 36.0
The remainder is 38 after subtracting 852 from 890.
Append the next digit (4) from the dividend to 38 and continue with: 384 / 142

On to step 5:
142 can be fit into 384 2 times, resulting in a remainder of 100.
Use 2 as the next digit of our solution. 
Result so far: 362.0
If we take 284 away from 384, we end up with 100.
Take the next digit (2) from the dividend and append it to 100, then repeat: 1002 / 142

Step 6:
When dividing 1002 by 142, we get 7 with a remainder of 8.
Record the quotient 7 as the next digit in the result. 
Result so far: 3627.0
If we take 994 away from 1002, we end up with 8.
Take the next digit (2) from the dividend and append it to 8, then repeat: 82 / 142

On to step 7:
If we divide 82 by 142, we get 0 and a remainder of 82.
Record the quotient 0 as the next digit in the result. 
Result so far: 36270.0
If we take 0 away from 82, we end up with 82.
Grab the next digit (3) from the dividend, add it to 82, then carry on: 823 / 142

Going ahead to step 8:
142 goes into 823 5 times with a remainder of 113.
The number 5 becomes the next digit in our result. 
Result so far: 362705.0
Deduct 710 from 823 and we're left with 113.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1130, and continue the process.

Going ahead to step 9:
When dividing 1130 by 142, we get 7 with a remainder of 136.
Write down 7 as next digit of the result. 
Result so far: 362705.7
If we take 994 away from 1130, we end up with 136.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1360, and continue the process.

On to step 10:
142 goes into 1360 9 times with a remainder of 82.
The next digit of our result is 9. 
Result so far: 362705.79
If we subtract 1278 from 1360, we get 82.
Since there are no more digits in the dividend, we add a zero to the remainder making it 820, and continue the process.

Advancing to step 11:
The number 142 fits into 820 5 times, leaving a remainder of 110.
Write down 5 as next digit of the result. 
Result so far: 362705.795
Deduct 710 from 820 and we're left with 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Going ahead to step 12:
When dividing 1100 by 142, we get 7 with a remainder of 106.
Write down 7 as next digit of the result. 
Result so far: 362705.7957
If we subtract 994 from 1100, we get 106.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1060, and continue the process.

Step 13:
142 goes into 1060 7 times with a remainder of 66.
Write down 7 as next digit of the result. 
Result so far: 362705.79577
The remainder is 66 after subtracting 994 from 1060.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Our division results in 362705.79577 with a remaining 6.6e-05.