66886820 ÷ 87 
We want to divide 66886820 by 87.

Step 1:
6 divided by 87 is 0 with a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Bring next digit (6) of the dividend behind the 6 and repeat the process: 66 / 87

On to step 2:
When dividing 66 by 87, we get 0 with a remainder of 66.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 66, we end up with 66.
Grab the next digit (8) from the dividend, add it to 66, then carry on: 668 / 87

Going ahead to step 3:
87 can be fit into 668 7 times, resulting in a remainder of 59.
The next digit of our result is 7. 
Result so far: 7.0
Deduct 609 from 668 and we're left with 59.
Fetch the next digit (8) from the dividend, attach it to 59 and continue: 598 / 87

Advancing to step 4:
The number 87 fits into 598 6 times, leaving a remainder of 76.
Record the quotient 6 as the next digit in the result. 
Result so far: 76.0
Subtracting 522 from 598 leaves us with 76.
Bring next digit (6) of the dividend behind the 76 and repeat the process: 766 / 87

Advancing to step 5:
The number 87 fits into 766 8 times, leaving a remainder of 70.
The next digit of our result is 8. 
Result so far: 768.0
Subtracting 696 from 766 leaves us with 70.
Include the next digit (8) from the dividend after 70, then repeat: 708 / 87

Advancing to step 6:
When dividing 708 by 87, we get 8 with a remainder of 12.
Write down 8 as next digit of the result. 
Result so far: 7688.0
Subtracting 696 from 708 leaves us with 12.
Fetch the next digit (2) from the dividend, attach it to 12 and continue: 122 / 87

Step 7:
The number 87 fits into 122 1 times, leaving a remainder of 35.
Record the quotient 1 as the next digit in the result. 
Result so far: 76881.0
Subtracting 87 from 122 leaves us with 35.
Take the next digit (0) from the dividend and append it to 35, then repeat: 350 / 87

Going ahead to step 8:
350 divided by 87 is 4 with a remainder of 2.
Put 4 as the next digit of the answer. 
Result so far: 768814.0
The remainder is 2 after subtracting 348 from 350.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 9:
20 divided by 87 is 0 with a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 768814.0
If we take 0 away from 20, we end up with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Going ahead to step 10:
The number 87 fits into 200 2 times, leaving a remainder of 26.
Write down 2 as next digit of the result. 
Result so far: 768814.02
The remainder is 26 after subtracting 174 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Going ahead to step 11:
87 goes into 260 2 times with a remainder of 86.
Write down 2 as next digit of the result. 
Result so far: 768814.022
Subtract 174 from 260 to get 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

After the division, we end up with 768814.022 and a remainder of 0.0086.