696388 divided by 90 
The aim is to understand the frequency of 90 in 696388.

Moving on to step 1:
6 divided by 90 is 0 with a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Bring next digit (9) of the dividend behind the 6 and repeat the process: 69 / 90

Moving on to step 2:
90 goes into 69 0 times with a remainder of 69.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 69 to get 69.
Include the next digit (6) from the dividend after 69, then repeat: 696 / 90

Going ahead to step 3:
696 divided by 90 is 7 with a remainder of 66.
Write down 7 as next digit of the result. 
Result so far: 7.0
Subtract 630 from 696 to get 66.
Bring next digit (3) of the dividend behind the 66 and repeat the process: 663 / 90

Moving on to step 4:
The number 90 fits into 663 7 times, leaving a remainder of 33.
Write down 7 as next digit of the result. 
Result so far: 77.0
If we take 630 away from 663, we end up with 33.
Fetch the next digit (8) from the dividend, attach it to 33 and continue: 338 / 90

Moving on to step 5:
338 divided by 90 is 3 with a remainder of 68.
Use 3 as the next digit of our solution. 
Result so far: 773.0
The remainder is 68 after subtracting 270 from 338.
Grab the next digit (8) from the dividend, add it to 68, then carry on: 688 / 90

Moving on to step 6:
90 goes into 688 7 times with a remainder of 58.
The number 7 becomes the next digit in our result. 
Result so far: 7737.0
If we take 630 away from 688, we end up with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Advancing to step 7:
580 divided by 90 is 6 with a remainder of 40.
Record the quotient 6 as the next digit in the result. 
Result so far: 7737.6
Subtracting 540 from 580 leaves us 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.

Advancing to step 8:
90 goes into 400 4 times with a remainder of 40.
The number 4 becomes the next digit in our result. 
Result so far: 7737.64
If we take 360 away from 400, we end up 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 9:
90 goes into 400 4 times with a remainder of 40.
Write down 4 as next digit of the result. 
Result so far: 7737.644
The remainder is 40 after subtracting 360 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Our division results in 7737.644 with a remaining 0.004.