The first step when changing a mixed number to an improper fraction is to multiply the whole number part by the denominator and then add the numerator.
So, the correct response from the options given would be:
- Multiply the numerator and the whole number part (but note that this wording might be misleading; it’s actually multiplying the whole number part by the denominator and adding the numerator to get the new numerator for the improper fraction).
In standard practice, it would be more accurately described as:
- Multiply the whole number part by the denominator.
- Add the numerator to this result to find the new numerator for the improper fraction.
However, if you must choose from your options, the closest one would be "Add the numerator," understanding that multiplication of the whole number by the denominator is implied.
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