Answer: 63 I think you can find a common denominator by multiplying the denominators together. however keep in mind that what you do to the bottom you must do to the top 1/7 would become 9/63 and 2/9 would become 14/63 Log in to Reply

Answer:63 I think

you can find a common denominator by multiplying the denominators together. however keep in mind that what you do to the bottom you must do to the top

1/7 would become 9/63 and 2/9 would become 14/63