638407 divided by 46 
Our goal is to divide 638407 by 46.

Step 1:
When dividing 6 by 46, we get 0 with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Fetch the next digit (3) from the dividend, attach it to 6 and continue: 63 / 46

Going ahead to step 2:
46 can be fit into 63 1 times, resulting in a remainder of 17.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Subtract 46 from 63 to get 17.
Take the next digit (8) from the dividend and append it to 17, then repeat: 178 / 46

Advancing to step 3:
178 divided by 46 is 3 with a remainder of 40.
Write down 3 as next digit of the result. 
Result so far: 13.0
If we take 138 away from 178, we end up with 40.
Fetch the next digit (4) from the dividend, attach it to 40 and continue: 404 / 46

Let's proceed to step 4:
The number 46 fits into 404 8 times, leaving a remainder of 36.
The number 8 becomes the next digit in our result. 
Result so far: 138.0
Subtract 368 from 404 to get 36.
Append the next digit (0) from the dividend to 36 and continue with: 360 / 46

Step 5:
46 goes into 360 7 times with a remainder of 38.
Write down 7 as next digit of the result. 
Result so far: 1387.0
If we take 322 away from 360, we end up with 38.
Append the next digit (7) from the dividend to 38 and continue with: 387 / 46

Step 6:
When dividing 387 by 46, we get 8 with a remainder of 19.
The next digit of our result is 8. 
Result so far: 13878.0
Subtracting 368 from 387 leaves us with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Moving on to step 7:
46 can be fit into 190 4 times, resulting in a remainder of 6.
Write down 4 as next digit of the result. 
Result so far: 13878.4
Subtracting 184 from 190 leaves us with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Moving on to step 8:
When dividing 60 by 46, we get 1 with a remainder of 14.
The next digit of our result is 1. 
Result so far: 13878.41
Subtract 46 from 60 to get 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Step 9:
46 goes into 140 3 times with a remainder of 2.
Write down 3 as next digit of the result. 
Result so far: 13878.413
If we subtract 138 from 140, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Advancing to step 10:
46 can be fit into 20 0 times, resulting in a remainder of 20.
Record the quotient 0 as the next digit in the result. 
Result so far: 13878.413
Deduct 0 from 20 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 11:
200 divided by 46 is 4 with a remainder of 16.
Put 4 as the next digit of the answer. 
Result so far: 13878.41304
Subtracting 184 from 200 leaves us with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

On to step 12:
If we divide 160 by 46, we get 3 and a remainder of 22.
Use 3 as the next digit of our solution. 
Result so far: 13878.413043
Subtracting 138 from 160 leaves us with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Going ahead to step 13:
When dividing 220 by 46, we get 4 with a remainder of 36.
Write down 4 as next digit of the result. 
Result so far: 13878.4130434
The remainder is 36 after subtracting 184 from 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Going ahead to step 14:
46 goes into 360 7 times with a remainder of 38.
Record the quotient 7 as the next digit in the result. 
Result so far: 13878.41304347
If we take 322 away from 360, we end up with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

The final outcome is 13878.41304347, with a leftover of 3.8e-08.