Let's divide 54959902 by 90
We want to divide 54959902 by 90.

Moving on to step 1:
90 goes into 5 0 times with a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Bring next digit (4) of the dividend behind the 5 and repeat the process: 54 / 90

Going ahead to step 2:
90 goes into 54 0 times with a remainder of 54.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 54 after subtracting 0 from 54.
Fetch the next digit (9) from the dividend, attach it to 54 and continue: 549 / 90

Advancing to step 3:
The number 90 fits into 549 6 times, leaving a remainder of 9.
Record the quotient 6 as the next digit in the result. 
Result so far: 6.0
Subtracting 540 from 549 leaves us with 9.
Grab the next digit (5) from the dividend, add it to 9, then carry on: 95 / 90

Let's proceed to step 4:
If we divide 95 by 90, we get 1 and a remainder of 5.
The number 1 becomes the next digit in our result. 
Result so far: 61.0
Subtracting 90 from 95 leaves us with 5.
Include the next digit (9) from the dividend after 5, then repeat: 59 / 90

Going ahead to step 5:
The number 90 fits into 59 0 times, leaving a remainder of 59.
Put 0 as the next digit of the answer. 
Result so far: 610.0
If we take 0 away from 59, we end up with 59.
Append the next digit (9) from the dividend to 59 and continue with: 599 / 90

Advancing to step 6:
90 can be fit into 599 6 times, resulting in a remainder of 59.
Write down 6 as next digit of the result. 
Result so far: 6106.0
If we take 540 away from 599, we end up with 59.
Bring next digit (0) of the dividend behind the 59 and repeat the process: 590 / 90

Advancing to step 7:
590 divided by 90 is 6 with a remainder of 50.
The number 6 becomes the next digit in our result. 
Result so far: 61066.0
Deduct 540 from 590 and we're left with 50.
Append the next digit (2) from the dividend to 50 and continue with: 502 / 90

On to step 8:
90 can be fit into 502 5 times, resulting in a remainder of 52.
The number 5 becomes the next digit in our result. 
Result so far: 610665.0
Subtract 450 from 502 to get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Step 9:
90 can be fit into 520 5 times, resulting in a remainder of 70.
Write down 5 as next digit of the result. 
Result so far: 610665.5
Subtracting 450 from 520 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.

Step 10:
When dividing 700 by 90, we get 7 with a remainder of 70.
Record the quotient 7 as the next digit in the result. 
Result so far: 610665.57
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.

Going ahead to step 11:
90 goes into 700 7 times with a remainder of 70.
Put 7 as the next digit of the answer. 
Result so far: 610665.577
The remainder is 70 after subtracting 630 from 700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

In conclusion, the division gives 610665.577 with a balance of 0.007.