Are u suppose to find a common denominator when multiplying fractions? (dont answer the question in the picture just answer if u have to find the common denominator i forgot)

no

Step-by-step explanation:

you multiply straight across on top and bottom then you simplify :)

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

30 feet

step-by-step explanation:

that would be 2 1/2 * 12

= 24 + 6

= 30 feet   (answer)