please please help me i need it

Answer:
[tex]4\frac{1}{2}[/tex]
Step-by-step explanation:
1 batch = 1 1/2 cup of flour
[tex]1\frac{1}{2} +1\frac{1}{2}+1 \frac{1}{2}[/tex]
add the whole numbers and the numerators
[tex]3\frac{3}{2}[/tex]
simplify
[tex]4\frac{1}{2}[/tex]