Answer:
100 + (-45.43) = 54.57
Explanation:
The difference of 54.57 can be obtained from
100 + (-45.43) = 54.57
Now, if we draw these number in a number line, it would like the image attached. As you can observe, the difference is between 45 and 100, these two whole numbers, but the exact difference the red space.
Therefore, the subtraction equation is 100 + (-45.43) = 54.57