I need help with these pls help me :(

I need help with these pls help me :( class=
I need help with these pls help me :( class=

Verified Answer :

Subtracting and adding mixed numbers are important in recipes because recipes ask for 1/3 of a cup of flour or 1/2 cup of water. So, adding and subtracting fractions is important in recipes.

Idk how to do that and I didn't learn that