Respuesta :

Answer:

19/24 pounds of grapes

Step-by-step explanation:

The LCD here is 24; both 8 and 12 divide evenly into 24.

Thus, the original problem involves adding:

    9

  -----

   24

+    10

    ------

      24

and this sum comes to (9 + 10)/24, or 19/24.

She bought 19/24 pounds of grapes.