Question

To find the product 3/7 x 4/9, Cameron found the GCF of 3 and 9. He then multiplied the fractions 1/7 and 4/9 to find the product 4/63. What was Cameron's error?

Answer 1

He should have found the GFC of 7 and 9.

Explanation:

To something like this you need to find the GFC of the bottom numbers of both of the fractions.

Answer 2

He should have found the GCF of 7 and 9, not 3 and 9.