We look at the division of 44139 by 87 
Our goal is to divide 44139 by 87.

Step 1:
When dividing 4 by 87, we get 0 with a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 4 after subtracting 0 from 4.
Include the next digit (4) from the dividend after 4, then repeat: 44 / 87

Moving on to step 2:
87 can be fit into 44 0 times, resulting in a remainder of 44.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 44 and we're left with 44.
Include the next digit (1) from the dividend after 44, then repeat: 441 / 87

Moving on to step 3:
87 can be fit into 441 5 times, resulting in a remainder of 6.
Use 5 as the next digit of our solution. 
Result so far: 5.0
If we subtract 435 from 441, we get 6.
Include the next digit (3) from the dividend after 6, then repeat: 63 / 87

Let's proceed to step 4:
63 divided by 87 is 0 with a remainder of 63.
The next digit of our result is 0. 
Result so far: 50.0
Deduct 0 from 63 and we're left with 63.
Include the next digit (9) from the dividend after 63, then repeat: 639 / 87

Step 5:
The number 87 fits into 639 7 times, leaving a remainder of 30.
Put 7 as the next digit of the answer. 
Result so far: 507.0
Subtract 609 from 639 to get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Moving on to step 6:
If we divide 300 by 87, we get 3 and a remainder of 39.
Use 3 as the next digit of our solution. 
Result so far: 507.3
Subtract 261 from 300 to get 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Moving on to step 7:
87 can be fit into 390 4 times, resulting in a remainder of 42.
Use 4 as the next digit of our solution. 
Result so far: 507.34
If we subtract 348 from 390, we get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Let's proceed to step 8:
87 can be fit into 420 4 times, resulting in a remainder of 72.
Put 4 as the next digit of the answer. 
Result so far: 507.344
If we take 348 away from 420, we end up with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

The quotient of the division is 507.344, and the remainder is 0.0072.