667438 divided by 90 
Our goal is to divide 667438 by 90.

Moving on to step 1:
The number 90 fits into 6 0 times, leaving a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Fetch the next digit (6) from the dividend, attach it to 6 and continue: 66 / 90

Moving on to step 2:
90 can be fit into 66 0 times, resulting in a remainder of 66.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 66, we end up with 66.
Append the next digit (7) from the dividend to 66 and continue with: 667 / 90

Let's proceed to step 3:
90 can be fit into 667 7 times, resulting in a remainder of 37.
The next digit of our result is 7. 
Result so far: 7.0
Subtracting 630 from 667 leaves us with 37.
Include the next digit (4) from the dividend after 37, then repeat: 374 / 90

Step 4:
374 divided by 90 is 4 with a remainder of 14.
Record the quotient 4 as the next digit in the result. 
Result so far: 74.0
The remainder is 14 after subtracting 360 from 374.
Take the next digit (3) from the dividend and append it to 14, then repeat: 143 / 90

Moving on to step 5:
90 can be fit into 143 1 times, resulting in a remainder of 53.
Use 1 as the next digit of our solution. 
Result so far: 741.0
The remainder is 53 after subtracting 90 from 143.
Include the next digit (8) from the dividend after 53, then repeat: 538 / 90

Let's proceed to step 6:
If we divide 538 by 90, we get 5 and a remainder of 88.
Use 5 as the next digit of our solution. 
Result so far: 7415.0
Subtract 450 from 538 to get 88.
Since there are no more digits in the dividend, we add a zero to the remainder making it 880, and continue the process.

Let's proceed to step 7:
90 goes into 880 9 times with a remainder of 70.
Write down 9 as next digit of the result. 
Result so far: 7415.9
Deduct 810 from 880 and we're left with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Moving on to step 8:
90 goes into 700 7 times with a remainder of 70.
Use 7 as the next digit of our solution. 
Result so far: 7415.97
If we take 630 away from 700, we end up with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Let's proceed to step 9:
90 goes into 700 7 times with a remainder of 70.
Write down 7 as next digit of the result. 
Result so far: 7415.977
Subtracting 630 from 700 leaves us with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

After the division, we end up with 7415.977 and a remainder of 0.007.