89986993 ÷ 456 
We want to divide 89986993 by 456.

Going ahead to step 1:
8 divided by 456 is 0 with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Take the next digit (9) from the dividend and append it to 8, then repeat: 89 / 456

Moving on to step 2:
If we divide 89 by 456, we get 0 and a remainder of 89.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 89 leaves us with 89.
Include the next digit (9) from the dividend after 89, then repeat: 899 / 456

Advancing to step 3:
The number 456 fits into 899 1 times, leaving a remainder of 443.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtracting 456 from 899 leaves us with 443.
Take the next digit (8) from the dividend and append it to 443, then repeat: 4438 / 456

Going ahead to step 4:
4438 divided by 456 is 9 with a remainder of 334.
Use 9 as the next digit of our solution. 
Result so far: 19.0
The remainder is 334 after subtracting 4104 from 4438.
Fetch the next digit (6) from the dividend, attach it to 334 and continue: 3346 / 456

Moving on to step 5:
3346 divided by 456 is 7 with a remainder of 154.
Record the quotient 7 as the next digit in the result. 
Result so far: 197.0
Subtracting 3192 from 3346 leaves us with 154.
Append the next digit (9) from the dividend to 154 and continue with: 1549 / 456

Let's proceed to step 6:
456 can be fit into 1549 3 times, resulting in a remainder of 181.
The next digit of our result is 3. 
Result so far: 1973.0
If we take 1368 away from 1549, we end up with 181.
Bring next digit (9) of the dividend behind the 181 and repeat the process: 1819 / 456

Step 7:
1819 divided by 456 is 3 with a remainder of 451.
The next digit of our result is 3. 
Result so far: 19733.0
Subtracting 1368 from 1819 leaves us with 451.
Include the next digit (3) from the dividend after 451, then repeat: 4513 / 456

Going ahead to step 8:
If we divide 4513 by 456, we get 9 and a remainder of 409.
Write down 9 as next digit of the result. 
Result so far: 197339.0
Subtract 4104 from 4513 to get 409.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4090, and continue the process.

Step 9:
The number 456 fits into 4090 8 times, leaving a remainder of 442.
Use 8 as the next digit of our solution. 
Result so far: 197339.8
Subtract 3648 from 4090 to get 442.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4420, and continue the process.

On to step 10:
4420 divided by 456 is 9 with a remainder of 316.
Put 9 as the next digit of the answer. 
Result so far: 197339.89
If we take 4104 away from 4420, we end up with 316.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3160, and continue the process.

Let's proceed to step 11:
If we divide 3160 by 456, we get 6 and a remainder of 424.
The next digit of our result is 6. 
Result so far: 197339.896
The remainder is 424 after subtracting 2736 from 3160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4240, and continue the process.

Going ahead to step 12:
The number 456 fits into 4240 9 times, leaving a remainder of 136.
The next digit of our result is 9. 
Result so far: 197339.8969
If we subtract 4104 from 4240, we get 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 13:
If we divide 1360 by 456, we get 2 and a remainder of 448.
The number 2 becomes the next digit in our result. 
Result so far: 197339.89692
If we subtract 912 from 1360, we get 448.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4480, and continue the process.

Let's proceed to step 14:
4480 divided by 456 is 9 with a remainder of 376.
Write down 9 as next digit of the result. 
Result so far: 197339.896929
Deduct 4104 from 4480 and we're left with 376.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3760, and continue the process.

Step 15:
If we divide 3760 by 456, we get 8 and a remainder of 112.
The number 8 becomes the next digit in our result. 
Result so far: 197339.8969298
If we subtract 3648 from 3760, we get 112.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

Step 16:
456 goes into 1120 2 times with a remainder of 208.
The number 2 becomes the next digit in our result. 
Result so far: 197339.89692982
If we take 912 away from 1120, we end up with 208.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2080, and continue the process.

In conclusion, the division gives 197339.89692982 with a balance of 2.08e-07.