53451419 ÷ 808 
We're looking to find how many times 808 goes into 53451419.

On to step 1:
The number 808 fits into 5 0 times, leaving a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Fetch the next digit (3) from the dividend, attach it to 5 and continue: 53 / 808

Step 2:
If we divide 53 by 808, we get 0 and a remainder of 53.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 53 to get 53.
Take the next digit (4) from the dividend and append it to 53, then repeat: 534 / 808

On to step 3:
When dividing 534 by 808, we get 0 with a remainder of 534.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 534, we end up with 534.
Take the next digit (5) from the dividend and append it to 534, then repeat: 5345 / 808

Moving on to step 4:
When dividing 5345 by 808, we get 6 with a remainder of 497.
Record the quotient 6 as the next digit in the result. 
Result so far: 6.0
Deduct 4848 from 5345 and we're left with 497.
Bring next digit (1) of the dividend behind the 497 and repeat the process: 4971 / 808

Moving on to step 5:
4971 divided by 808 is 6 with a remainder of 123.
The number 6 becomes the next digit in our result. 
Result so far: 66.0
The remainder is 123 after subtracting 4848 from 4971.
Fetch the next digit (4) from the dividend, attach it to 123 and continue: 1234 / 808

On to step 6:
1234 divided by 808 is 1 with a remainder of 426.
Record the quotient 1 as the next digit in the result. 
Result so far: 661.0
Deduct 808 from 1234 and we're left with 426.
Take the next digit (1) from the dividend and append it to 426, then repeat: 4261 / 808

Going ahead to step 7:
When dividing 4261 by 808, we get 5 with a remainder of 221.
The number 5 becomes the next digit in our result. 
Result so far: 6615.0
Subtracting 4040 from 4261 leaves us with 221.
Grab the next digit (9) from the dividend, add it to 221, then carry on: 2219 / 808

Let's proceed to step 8:
2219 divided by 808 is 2 with a remainder of 603.
Use 2 as the next digit of our solution. 
Result so far: 66152.0
Subtract 1616 from 2219 to get 603.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6030, and continue the process.

Moving on to step 9:
808 goes into 6030 7 times with a remainder of 374.
Write down 7 as next digit of the result. 
Result so far: 66152.7
If we take 5656 away from 6030, we end up with 374.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3740, and continue the process.

On to step 10:
When dividing 3740 by 808, we get 4 with a remainder of 508.
Put 4 as the next digit of the answer. 
Result so far: 66152.74
If we take 3232 away from 3740, we end up with 508.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5080, and continue the process.

Going ahead to step 11:
5080 divided by 808 is 6 with a remainder of 232.
Put 6 as the next digit of the answer. 
Result so far: 66152.746
If we subtract 4848 from 5080, we get 232.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2320, and continue the process.

Moving on to step 12:
808 can be fit into 2320 2 times, resulting in a remainder of 704.
The number 2 becomes the next digit in our result. 
Result so far: 66152.7462
If we subtract 1616 from 2320, we get 704.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7040, and continue the process.

Advancing to step 13:
If we divide 7040 by 808, we get 8 and a remainder of 576.
The next digit of our result is 8. 
Result so far: 66152.74628
Subtracting 6464 from 7040 leaves us with 576.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5760, and continue the process.

On to step 14:
The number 808 fits into 5760 7 times, leaving a remainder of 104.
Record the quotient 7 as the next digit in the result. 
Result so far: 66152.746287
Deduct 5656 from 5760 and we're left with 104.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

On to step 15:
If we divide 1040 by 808, we get 1 and a remainder of 232.
The number 1 becomes the next digit in our result. 
Result so far: 66152.7462871
Deduct 808 from 1040 and we're left with 232.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2320, and continue the process.

Step 16:
If we divide 2320 by 808, we get 2 and a remainder of 704.
The next digit of our result is 2. 
Result so far: 66152.74628712
The remainder is 704 after subtracting 1616 from 2320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7040, and continue the process.

Our division results in 66152.74628712 with a remaining 7.04e-07.