Question

You have 4/6 cups or brown sugar the recipe for a dessert calls for 2/5 cup of brown sugar how much sugar would you have left if you made the dessert

Answer 1

4/15
4/6 = 20/30 and 2/5 = 12/30 so 20 - 12 = 8 or 8/30 which can be rounded to 4/15