Lara multiplied 4/13 times 3 and got 12/39. Was her answer right?

To check if Lara's answer is correct, let's calculate the product of 4/13 and 3:

(4/13) * 3 = (4 * 3) / 13 = 12/13

The product of 4/13 and 3 is 12/13, not 12/39. So Lara's answer is incorrect.