1390718 ÷ 631 
We want to divide 1390718 by 631.

Step 1:
631 can be fit into 1 0 times, resulting in a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Grab the next digit (3) from the dividend, add it to 1, then carry on: 13 / 631

Step 2:
The number 631 fits into 13 0 times, leaving a remainder of 13.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 13 to get 13.
Fetch the next digit (9) from the dividend, attach it to 13 and continue: 139 / 631

Going ahead to step 3:
631 goes into 139 0 times with a remainder of 139.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 139 and we're left with 139.
Fetch the next digit (0) from the dividend, attach it to 139 and continue: 1390 / 631

Going ahead to step 4:
The number 631 fits into 1390 2 times, leaving a remainder of 128.
Put 2 as the next digit of the answer. 
Result so far: 2.0
If we subtract 1262 from 1390, we get 128.
Fetch the next digit (7) from the dividend, attach it to 128 and continue: 1287 / 631

Moving on to step 5:
631 goes into 1287 2 times with a remainder of 25.
Use 2 as the next digit of our solution. 
Result so far: 22.0
Deduct 1262 from 1287 and we're left with 25.
Fetch the next digit (1) from the dividend, attach it to 25 and continue: 251 / 631

Step 6:
When dividing 251 by 631, we get 0 with a remainder of 251.
The number 0 becomes the next digit in our result. 
Result so far: 220.0
Subtract 0 from 251 to get 251.
Include the next digit (8) from the dividend after 251, then repeat: 2518 / 631

Going ahead to step 7:
When dividing 2518 by 631, we get 3 with a remainder of 625.
Put 3 as the next digit of the answer. 
Result so far: 2203.0
Subtracting 1893 from 2518 leaves us with 625.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6250, and continue the process.

Advancing to step 8:
When dividing 6250 by 631, we get 9 with a remainder of 571.
The number 9 becomes the next digit in our result. 
Result so far: 2203.9
The remainder is 571 after subtracting 5679 from 6250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5710, and continue the process.

On to step 9:
5710 divided by 631 is 9 with a remainder of 31.
Put 9 as the next digit of the answer. 
Result so far: 2203.99
If we subtract 5679 from 5710, we get 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Our division results in 2203.99 with a remaining 0.031.