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Question
Lara multiplied 4/13 times 3 and got 12/39. Was her answer correct and why

No, she should have multiplied only the denominator by the whole number.
No, she should have multiplied only the denominator by the whole number.

Yes, her answer was correct.
Yes, her answer was correct.

No, she should have multiplied only the numerator by the whole number.
No, she should have multiplied only the numerator by the whole number.

Her answer was correct, but she did not write it in simplest form.

Her answer was correct but she did not write it in simplest form.