Why is 4/8 bigger than 5/12

Write a real-world word problem that can be solved by adding 34.99 and 5.79. then solve

With #! i’ve tried to figure it out but i can’t.

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.