Respuesta :

wegnerkolmp2741o

Answer:

11/12

Step-by-step explanation:

We need to get a common denominator

4*3 =12  That will be our common denominator

9/4 * 3/3 = 27/12

4/3 *4/4 = 16/12

Replace these into the original equation

27/12 - 16/12

11/12