64920290 ÷ 285 
Let's see how many times 285 fits into 64920290.

Step 1:
If we divide 6 by 285, we get 0 and a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Bring next digit (4) of the dividend behind the 6 and repeat the process: 64 / 285

Let's proceed to step 2:
The number 285 fits into 64 0 times, leaving a remainder of 64.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 64 to get 64.
Append the next digit (9) from the dividend to 64 and continue with: 649 / 285

Advancing to step 3:
285 goes into 649 2 times with a remainder of 79.
Use 2 as the next digit of our solution. 
Result so far: 2.0
Deduct 570 from 649 and we're left with 79.
Append the next digit (2) from the dividend to 79 and continue with: 792 / 285

On to step 4:
The number 285 fits into 792 2 times, leaving a remainder of 222.
Use 2 as the next digit of our solution. 
Result so far: 22.0
Subtract 570 from 792 to get 222.
Bring next digit (0) of the dividend behind the 222 and repeat the process: 2220 / 285

Let's proceed to step 5:
The number 285 fits into 2220 7 times, leaving a remainder of 225.
Put 7 as the next digit of the answer. 
Result so far: 227.0
The remainder is 225 after subtracting 1995 from 2220.
Fetch the next digit (2) from the dividend, attach it to 225 and continue: 2252 / 285

Step 6:
2252 divided by 285 is 7 with a remainder of 257.
The number 7 becomes the next digit in our result. 
Result so far: 2277.0
The remainder is 257 after subtracting 1995 from 2252.
Grab the next digit (9) from the dividend, add it to 257, then carry on: 2579 / 285

Step 7:
285 can be fit into 2579 9 times, resulting in a remainder of 14.
Put 9 as the next digit of the answer. 
Result so far: 22779.0
If we take 2565 away from 2579, we end up with 14.
Bring next digit (0) of the dividend behind the 14 and repeat the process: 140 / 285

Step 8:
When dividing 140 by 285, we get 0 with a remainder of 140.
Write down 0 as next digit of the result. 
Result so far: 227790.0
If we subtract 0 from 140, we get 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 9:
285 can be fit into 1400 4 times, resulting in a remainder of 260.
Use 4 as the next digit of our solution. 
Result so far: 227790.4
If we take 1140 away from 1400, we end up with 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2600, and continue the process.

Let's proceed to step 10:
When dividing 2600 by 285, we get 9 with a remainder of 35.
Use 9 as the next digit of our solution. 
Result so far: 227790.49
Subtract 2565 from 2600 to get 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 11:
The number 285 fits into 350 1 times, leaving a remainder of 65.
Write down 1 as next digit of the result. 
Result so far: 227790.491
If we subtract 285 from 350, we get 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Going ahead to step 12:
When dividing 650 by 285, we get 2 with a remainder of 80.
Record the quotient 2 as the next digit in the result. 
Result so far: 227790.4912
If we subtract 570 from 650, we get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Advancing to step 13:
If we divide 800 by 285, we get 2 and a remainder of 230.
Record the quotient 2 as the next digit in the result. 
Result so far: 227790.49122
Subtract 570 from 800 to get 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

In conclusion, the division gives 227790.49122 with a balance of 0.00023.