Lara multiplied 4/13 times 3 and got 12/39. Was her answer correct?
A. Her answer was correct, but she did not write it in simplest form.
B. Yes, her answer was correct.
C. No, she should have multiplied only the denominator by the whole number.
D. No, she should have multiplied only the numerator by the whole number.
To multiply a fraction by a whole number, you multiply the numerator of the fraction by the whole number, while keeping the denominator the same. Therefore, the correct answer is:
D. No, she should have multiplied only the numerator by the whole number.