91781217 divided by 435 
Our goal is to divide 91781217 by 435.

On to step 1:
435 can be fit into 9 0 times, resulting in a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Fetch the next digit (1) from the dividend, attach it to 9 and continue: 91 / 435

On to step 2:
435 can be fit into 91 0 times, resulting in a remainder of 91.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 91, we end up with 91.
Fetch the next digit (7) from the dividend, attach it to 91 and continue: 917 / 435

Step 3:
The number 435 fits into 917 2 times, leaving a remainder of 47.
Put 2 as the next digit of the answer. 
Result so far: 2.0
If we subtract 870 from 917, we get 47.
Include the next digit (8) from the dividend after 47, then repeat: 478 / 435

Step 4:
478 divided by 435 is 1 with a remainder of 43.
Put 1 as the next digit of the answer. 
Result so far: 21.0
Subtract 435 from 478 to get 43.
Bring next digit (1) of the dividend behind the 43 and repeat the process: 431 / 435

Advancing to step 5:
431 divided by 435 is 0 with a remainder of 431.
The next digit of our result is 0. 
Result so far: 210.0
The remainder is 431 after subtracting 0 from 431.
Bring next digit (2) of the dividend behind the 431 and repeat the process: 4312 / 435

On to step 6:
The number 435 fits into 4312 9 times, leaving a remainder of 397.
Write down 9 as next digit of the result. 
Result so far: 2109.0
Subtract 3915 from 4312 to get 397.
Grab the next digit (1) from the dividend, add it to 397, then carry on: 3971 / 435

Step 7:
435 goes into 3971 9 times with a remainder of 56.
Use 9 as the next digit of our solution. 
Result so far: 21099.0
The remainder is 56 after subtracting 3915 from 3971.
Include the next digit (7) from the dividend after 56, then repeat: 567 / 435

Moving on to step 8:
When dividing 567 by 435, we get 1 with a remainder of 132.
Use 1 as the next digit of our solution. 
Result so far: 210991.0
Deduct 435 from 567 and we're left with 132.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1320, and continue the process.

Going ahead to step 9:
435 goes into 1320 3 times with a remainder of 15.
The number 3 becomes the next digit in our result. 
Result so far: 210991.3
If we take 1305 away from 1320, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Moving on to step 10:
If we divide 150 by 435, we get 0 and a remainder of 150.
The number 0 becomes the next digit in our result. 
Result so far: 210991.3
Subtract 0 from 150 to get 150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1500, and continue the process.

Moving on to step 11:
If we divide 1500 by 435, we get 3 and a remainder of 195.
Put 3 as the next digit of the answer. 
Result so far: 210991.303
The remainder is 195 after subtracting 1305 from 1500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1950, and continue the process.

Moving on to step 12:
The number 435 fits into 1950 4 times, leaving a remainder of 210.
The number 4 becomes the next digit in our result. 
Result so far: 210991.3034
Subtract 1740 from 1950 to get 210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2100, and continue the process.

On to step 13:
If we divide 2100 by 435, we get 4 and a remainder of 360.
Write down 4 as next digit of the result. 
Result so far: 210991.30344
Subtracting 1740 from 2100 leaves us with 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3600, and continue the process.

After the division, we end up with 210991.30344 and a remainder of 0.00036.