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)

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 denominat class=

Respuesta :

Answer:

no

Step-by-step explanation:

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