Question

If Lyle bought 3/8 pound of red grapes and 5/12 of green grapes how many pounds of grapes did she buy

Answer 1

19/24 pounds of grapes

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.