Let's divide 42579460 by 87
We want to figure out the number of times 42579460 can be divided by 87.

Step 1:
4 divided by 87 is 0 with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Bring next digit (2) of the dividend behind the 4 and repeat the process: 42 / 87

Let's proceed to step 2:
42 divided by 87 is 0 with a remainder of 42.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 42 leaves us with 42.
Take the next digit (5) from the dividend and append it to 42, then repeat: 425 / 87

Advancing to step 3:
If we divide 425 by 87, we get 4 and a remainder of 77.
Write down 4 as next digit of the result. 
Result so far: 4.0
Deduct 348 from 425 and we're left with 77.
Append the next digit (7) from the dividend to 77 and continue with: 777 / 87

Step 4:
87 can be fit into 777 8 times, resulting in a remainder of 81.
Record the quotient 8 as the next digit in the result. 
Result so far: 48.0
Subtract 696 from 777 to get 81.
Append the next digit (9) from the dividend to 81 and continue with: 819 / 87

Going ahead to step 5:
87 goes into 819 9 times with a remainder of 36.
Put 9 as the next digit of the answer. 
Result so far: 489.0
If we subtract 783 from 819, we get 36.
Take the next digit (4) from the dividend and append it to 36, then repeat: 364 / 87

Going ahead to step 6:
87 goes into 364 4 times with a remainder of 16.
The number 4 becomes the next digit in our result. 
Result so far: 4894.0
If we subtract 348 from 364, we get 16.
Include the next digit (6) from the dividend after 16, then repeat: 166 / 87

Going ahead to step 7:
87 can be fit into 166 1 times, resulting in a remainder of 79.
Record the quotient 1 as the next digit in the result. 
Result so far: 48941.0
If we take 87 away from 166, we end up with 79.
Append the next digit (0) from the dividend to 79 and continue with: 790 / 87

Advancing to step 8:
If we divide 790 by 87, we get 9 and a remainder of 7.
Put 9 as the next digit of the answer. 
Result so far: 489419.0
Deduct 783 from 790 and we're left with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Let's proceed to step 9:
The number 87 fits into 70 0 times, leaving a remainder of 70.
Write down 0 as next digit of the result. 
Result so far: 489419.0
Subtracting 0 from 70 leaves us with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

On to step 10:
If we divide 700 by 87, we get 8 and a remainder of 4.
Record the quotient 8 as the next digit in the result. 
Result so far: 489419.08
If we take 696 away from 700, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 11:
When dividing 40 by 87, we get 0 with a remainder of 40.
The next digit of our result is 0. 
Result so far: 489419.08
If we take 0 away from 40, we end up with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Let's proceed to step 12:
87 goes into 400 4 times with a remainder of 52.
Put 4 as the next digit of the answer. 
Result so far: 489419.0804
If we subtract 348 from 400, we get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Advancing to step 13:
520 divided by 87 is 5 with a remainder of 85.
The number 5 becomes the next digit in our result. 
Result so far: 489419.08045
Deduct 435 from 520 and we're left with 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

Advancing to step 14:
850 divided by 87 is 9 with a remainder of 67.
Put 9 as the next digit of the answer. 
Result so far: 489419.080459
Subtract 783 from 850 to get 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

Let's proceed to step 15:
87 can be fit into 670 7 times, resulting in a remainder of 61.
Put 7 as the next digit of the answer. 
Result so far: 489419.0804597
If we subtract 609 from 670, we get 61.
Since there are no more digits in the dividend, we add a zero to the remainder making it 610, and continue the process.

Moving on to step 16:
610 divided by 87 is 7 with a remainder of 1.
Write down 7 as next digit of the result. 
Result so far: 489419.08045977
Subtract 609 from 610 to get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

The final result is 489419.08045977 with a remainder of 1e-09.