Let's divide 25059490 by 840
We want to divide 25059490 by 840.

Advancing to step 1:
When dividing 2 by 840, we get 0 with a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Append the next digit (5) from the dividend to 2 and continue with: 25 / 840

Advancing to step 2:
25 divided by 840 is 0 with a remainder of 25.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 25 to get 25.
Bring next digit (0) of the dividend behind the 25 and repeat the process: 250 / 840

Let's proceed to step 3:
When dividing 250 by 840, we get 0 with a remainder of 250.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 250 after subtracting 0 from 250.
Include the next digit (5) from the dividend after 250, then repeat: 2505 / 840

Let's proceed to step 4:
840 can be fit into 2505 2 times, resulting in a remainder of 825.
The next digit of our result is 2. 
Result so far: 2.0
Deduct 1680 from 2505 and we're left with 825.
Append the next digit (9) from the dividend to 825 and continue with: 8259 / 840

On to step 5:
When dividing 8259 by 840, we get 9 with a remainder of 699.
The number 9 becomes the next digit in our result. 
Result so far: 29.0
The remainder is 699 after subtracting 7560 from 8259.
Append the next digit (4) from the dividend to 699 and continue with: 6994 / 840

Advancing to step 6:
If we divide 6994 by 840, we get 8 and a remainder of 274.
Write down 8 as next digit of the result. 
Result so far: 298.0
Subtracting 6720 from 6994 leaves us with 274.
Append the next digit (9) from the dividend to 274 and continue with: 2749 / 840

Moving on to step 7:
If we divide 2749 by 840, we get 3 and a remainder of 229.
Put 3 as the next digit of the answer. 
Result so far: 2983.0
The remainder is 229 after subtracting 2520 from 2749.
Grab the next digit (0) from the dividend, add it to 229, then carry on: 2290 / 840

Going ahead to step 8:
When dividing 2290 by 840, we get 2 with a remainder of 610.
Put 2 as the next digit of the answer. 
Result so far: 29832.0
Deduct 1680 from 2290 and we're left with 610.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6100, and continue the process.

Going ahead to step 9:
The number 840 fits into 6100 7 times, leaving a remainder of 220.
Record the quotient 7 as the next digit in the result. 
Result so far: 29832.7
The remainder is 220 after subtracting 5880 from 6100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Going ahead to step 10:
2200 divided by 840 is 2 with a remainder of 520.
Use 2 as the next digit of our solution. 
Result so far: 29832.72
The remainder is 520 after subtracting 1680 from 2200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5200, and continue the process.

Step 11:
If we divide 5200 by 840, we get 6 and a remainder of 160.
The next digit of our result is 6. 
Result so far: 29832.726
The remainder is 160 after subtracting 5040 from 5200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Going ahead to step 12:
1600 divided by 840 is 1 with a remainder of 760.
Use 1 as the next digit of our solution. 
Result so far: 29832.7261
Subtract 840 from 1600 to get 760.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7600, and continue the process.

Going ahead to step 13:
840 goes into 7600 9 times with a remainder of 40.
Use 9 as the next digit of our solution. 
Result so far: 29832.72619
Deduct 7560 from 7600 and we're left 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 14:
The number 840 fits into 400 0 times, leaving a remainder of 400.
The next digit of our result is 0. 
Result so far: 29832.72619
Deduct 0 from 400 and we're left with 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

Going ahead to step 15:
When dividing 4000 by 840, we get 4 with a remainder of 640.
Record the quotient 4 as the next digit in the result. 
Result so far: 29832.7261904
If we take 3360 away from 4000, we end up with 640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6400, and continue the process.

Moving on to step 16:
840 goes into 6400 7 times with a remainder of 520.
The number 7 becomes the next digit in our result. 
Result so far: 29832.72619047
Deduct 5880 from 6400 and we're left with 520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5200, and continue the process.

After the division, we end up with 29832.72619047 and a remainder of 5.2e-07.