51463543 ÷ 690 
Our goal is to divide 51463543 by 690.

On to step 1:
When dividing 5 by 690, we get 0 with a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Take the next digit (1) from the dividend and append it to 5, then repeat: 51 / 690

Going ahead to step 2:
If we divide 51 by 690, we get 0 and a remainder of 51.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 51 to get 51.
Include the next digit (4) from the dividend after 51, then repeat: 514 / 690

Let's proceed to step 3:
690 goes into 514 0 times with a remainder of 514.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 514 after subtracting 0 from 514.
Grab the next digit (6) from the dividend, add it to 514, then carry on: 5146 / 690

Moving on to step 4:
When dividing 5146 by 690, we get 7 with a remainder of 316.
Record the quotient 7 as the next digit in the result. 
Result so far: 7.0
Deduct 4830 from 5146 and we're left with 316.
Bring next digit (3) of the dividend behind the 316 and repeat the process: 3163 / 690

Advancing to step 5:
3163 divided by 690 is 4 with a remainder of 403.
Write down 4 as next digit of the result. 
Result so far: 74.0
Deduct 2760 from 3163 and we're left with 403.
Append the next digit (5) from the dividend to 403 and continue with: 4035 / 690

Advancing to step 6:
690 goes into 4035 5 times with a remainder of 585.
Write down 5 as next digit of the result. 
Result so far: 745.0
If we subtract 3450 from 4035, we get 585.
Fetch the next digit (4) from the dividend, attach it to 585 and continue: 5854 / 690

Let's proceed to step 7:
When dividing 5854 by 690, we get 8 with a remainder of 334.
The number 8 becomes the next digit in our result. 
Result so far: 7458.0
Subtracting 5520 from 5854 leaves us with 334.
Include the next digit (3) from the dividend after 334, then repeat: 3343 / 690

On to step 8:
3343 divided by 690 is 4 with a remainder of 583.
The next digit of our result is 4. 
Result so far: 74584.0
Deduct 2760 from 3343 and we're left with 583.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5830, and continue the process.

Moving on to step 9:
690 can be fit into 5830 8 times, resulting in a remainder of 310.
Write down 8 as next digit of the result. 
Result so far: 74584.8
If we take 5520 away from 5830, we end up with 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

Moving on to step 10:
If we divide 3100 by 690, we get 4 and a remainder of 340.
Record the quotient 4 as the next digit in the result. 
Result so far: 74584.84
If we take 2760 away from 3100, we end up with 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

Advancing to step 11:
3400 divided by 690 is 4 with a remainder of 640.
The number 4 becomes the next digit in our result. 
Result so far: 74584.844
If we subtract 2760 from 3400, we get 640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6400, and continue the process.

Our division results in 74584.844 with a remaining 0.064.