We're dividing 51657418 by 604 
We're looking to find how many times 604 goes into 51657418.

Let's proceed to step 1:
When dividing 5 by 604, we get 0 with a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Include the next digit (1) from the dividend after 5, then repeat: 51 / 604

On to step 2:
604 goes into 51 0 times with a remainder of 51.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 51, we end up with 51.
Bring next digit (6) of the dividend behind the 51 and repeat the process: 516 / 604

On to step 3:
If we divide 516 by 604, we get 0 and a remainder of 516.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 516 after subtracting 0 from 516.
Bring next digit (5) of the dividend behind the 516 and repeat the process: 5165 / 604

On to step 4:
The number 604 fits into 5165 8 times, leaving a remainder of 333.
The number 8 becomes the next digit in our result. 
Result so far: 8.0
Subtracting 4832 from 5165 leaves us with 333.
Bring next digit (7) of the dividend behind the 333 and repeat the process: 3337 / 604

Going ahead to step 5:
604 goes into 3337 5 times with a remainder of 317.
Write down 5 as next digit of the result. 
Result so far: 85.0
The remainder is 317 after subtracting 3020 from 3337.
Grab the next digit (4) from the dividend, add it to 317, then carry on: 3174 / 604

Step 6:
If we divide 3174 by 604, we get 5 and a remainder of 154.
The next digit of our result is 5. 
Result so far: 855.0
If we take 3020 away from 3174, we end up with 154.
Bring next digit (1) of the dividend behind the 154 and repeat the process: 1541 / 604

Step 7:
When dividing 1541 by 604, we get 2 with a remainder of 333.
The next digit of our result is 2. 
Result so far: 8552.0
Deduct 1208 from 1541 and we're left with 333.
Grab the next digit (8) from the dividend, add it to 333, then carry on: 3338 / 604

On to step 8:
If we divide 3338 by 604, we get 5 and a remainder of 318.
Record the quotient 5 as the next digit in the result. 
Result so far: 85525.0
If we subtract 3020 from 3338, we get 318.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3180, and continue the process.

On to step 9:
604 goes into 3180 5 times with a remainder of 160.
Put 5 as the next digit of the answer. 
Result so far: 85525.5
If we take 3020 away from 3180, we end up with 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Moving on to step 10:
The number 604 fits into 1600 2 times, leaving a remainder of 392.
Use 2 as the next digit of our solution. 
Result so far: 85525.52
If we take 1208 away from 1600, we end up with 392.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3920, and continue the process.

Step 11:
The number 604 fits into 3920 6 times, leaving a remainder of 296.
The number 6 becomes the next digit in our result. 
Result so far: 85525.526
Subtract 3624 from 3920 to get 296.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2960, and continue the process.

Moving on to step 12:
When dividing 2960 by 604, we get 4 with a remainder of 544.
The number 4 becomes the next digit in our result. 
Result so far: 85525.5264
The remainder is 544 after subtracting 2416 from 2960.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5440, and continue the process.

Going ahead to step 13:
604 can be fit into 5440 9 times, resulting in a remainder of 4.
The next digit of our result is 9. 
Result so far: 85525.52649
Subtracting 5436 from 5440 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 14:
604 can be fit into 40 0 times, resulting in a remainder of 40.
Use 0 as the next digit of our solution. 
Result so far: 85525.52649
Subtracting 0 from 40 leaves us with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 15:
The number 604 fits into 400 0 times, leaving a remainder of 400.
Use 0 as the next digit of our solution. 
Result so far: 85525.52649
The remainder is 400 after subtracting 0 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

The final outcome is 85525.52649, with a leftover of 4e-06.