Question

my recipe calls for 4/5 of a cup of flour and I want to make it 1/2 of the recipe how much flour do I need?

Answer 1

2/5

Explanation:

So if you were to half that the bottom stays the same but the top you divide by two which 4 divided by 2 is 2 so you would need 2/5 cup of flour for your new recipe.