15685825 ÷ 685 
We want to divide 15685825 by 685.

Moving on to step 1:
When dividing 1 by 685, we get 0 with a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Fetch the next digit (5) from the dividend, attach it to 1 and continue: 15 / 685

Let's proceed to step 2:
15 divided by 685 is 0 with a remainder of 15.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 15, we end up with 15.
Grab the next digit (6) from the dividend, add it to 15, then carry on: 156 / 685

On to step 3:
685 goes into 156 0 times with a remainder of 156.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 156 leaves us with 156.
Bring next digit (8) of the dividend behind the 156 and repeat the process: 1568 / 685

Step 4:
The number 685 fits into 1568 2 times, leaving a remainder of 198.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Subtract 1370 from 1568 to get 198.
Take the next digit (5) from the dividend and append it to 198, then repeat: 1985 / 685

On to step 5:
685 can be fit into 1985 2 times, resulting in a remainder of 615.
Put 2 as the next digit of the answer. 
Result so far: 22.0
Subtract 1370 from 1985 to get 615.
Append the next digit (8) from the dividend to 615 and continue with: 6158 / 685

Going ahead to step 6:
The number 685 fits into 6158 8 times, leaving a remainder of 678.
Use 8 as the next digit of our solution. 
Result so far: 228.0
Deduct 5480 from 6158 and we're left with 678.
Bring next digit (2) of the dividend behind the 678 and repeat the process: 6782 / 685

Step 7:
When dividing 6782 by 685, we get 9 with a remainder of 617.
Use 9 as the next digit of our solution. 
Result so far: 2289.0
Subtract 6165 from 6782 to get 617.
Append the next digit (5) from the dividend to 617 and continue with: 6175 / 685

Going ahead to step 8:
The number 685 fits into 6175 9 times, leaving a remainder of 10.
The number 9 becomes the next digit in our result. 
Result so far: 22899.0
Subtracting 6165 from 6175 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Moving on to step 9:
685 can be fit into 100 0 times, resulting in a remainder of 100.
Record the quotient 0 as the next digit in the result. 
Result so far: 22899.0
Deduct 0 from 100 and we're left with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Moving on to step 10:
If we divide 1000 by 685, we get 1 and a remainder of 315.
Record the quotient 1 as the next digit in the result. 
Result so far: 22899.01
If we subtract 685 from 1000, we get 315.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3150, and continue the process.

Advancing to step 11:
If we divide 3150 by 685, we get 4 and a remainder of 410.
The next digit of our result is 4. 
Result so far: 22899.014
The remainder is 410 after subtracting 2740 from 3150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4100, and continue the process.

Advancing to step 12:
4100 divided by 685 is 5 with a remainder of 675.
Record the quotient 5 as the next digit in the result. 
Result so far: 22899.0145
Subtracting 3425 from 4100 leaves us with 675.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6750, and continue the process.

Let's proceed to step 13:
685 goes into 6750 9 times with a remainder of 585.
Put 9 as the next digit of the answer. 
Result so far: 22899.01459
Subtracting 6165 from 6750 leaves us with 585.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5850, and continue the process.

On to step 14:
If we divide 5850 by 685, we get 8 and a remainder of 370.
Use 8 as the next digit of our solution. 
Result so far: 22899.014598
If we subtract 5480 from 5850, we get 370.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3700, and continue the process.

Advancing to step 15:
685 goes into 3700 5 times with a remainder of 275.
Record the quotient 5 as the next digit in the result. 
Result so far: 22899.0145985
If we take 3425 away from 3700, we end up with 275.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2750, and continue the process.

Let's proceed to step 16:
If we divide 2750 by 685, we get 4 and a remainder of 10.
Use 4 as the next digit of our solution. 
Result so far: 22899.01459854
The remainder is 10 after subtracting 2740 from 2750.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

The final result is 22899.01459854 with a remainder of 1e-08.