We divide 121543 by 45
We want to divide 121543 by 45.

Moving on to step 1:
1 divided by 45 is 0 with a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Fetch the next digit (2) from the dividend, attach it to 1 and continue: 12 / 45

Step 2:
45 can be fit into 12 0 times, resulting in a remainder of 12.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 12 and we're left with 12.
Fetch the next digit (1) from the dividend, attach it to 12 and continue: 121 / 45

Step 3:
If we divide 121 by 45, we get 2 and a remainder of 31.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Subtracting 90 from 121 leaves us with 31.
Include the next digit (5) from the dividend after 31, then repeat: 315 / 45

On to step 4:
When dividing 315 by 45, we get 7 with a remainder of 0.
Use 7 as the next digit of our solution. 
Result so far: 27.0
If we subtract 315 from 315, we get 0.
Fetch the next digit (4) from the dividend, attach it to 0 and continue: 4 / 45

Let's proceed to step 5:
The number 45 fits into 4 0 times, leaving a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 270.0
The remainder is 4 after subtracting 0 from 4.
Fetch the next digit (3) from the dividend, attach it to 4 and continue: 43 / 45

Going ahead to step 6:
When dividing 43 by 45, we get 0 with a remainder of 43.
The next digit of our result is 0. 
Result so far: 2700.0
The remainder is 43 after subtracting 0 from 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Moving on to step 7:
45 goes into 430 9 times with a remainder of 25.
Write down 9 as next digit of the result. 
Result so far: 2700.9
If we subtract 405 from 430, we get 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

On to step 8:
45 goes into 250 5 times with a remainder of 25.
The number 5 becomes the next digit in our result. 
Result so far: 2700.95
Subtract 225 from 250 to get 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Advancing to step 9:
250 divided by 45 is 5 with a remainder of 25.
Record the quotient 5 as the next digit in the result. 
Result so far: 2700.955
If we subtract 225 from 250, we get 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

In conclusion, the division gives 2700.955 with a balance of 0.0025.