Solve Write Your Answer in Simplest Form $3 \frac { 1 } { 2 }$

Multiple Choice

Solve. Write your answer in simplest form.
-Amy decided to bake bread and a cake. For the bread she needed $3 \frac { 1 } { 2 }$ cups of flour. For the cake she needed $1 \frac { 2 } { 3 }$ cups of flour. She had only $3 \frac { 3 } { 5 }$ cups of flour. How much more flour did she need?

A) $1 \frac { 2 } { 15 }$ cups

B) $1 \frac { 9 } { 30 }$ cups

C) $2 \frac { 1 } { 15 }$ cups

D) $1 \frac { 17 } { 30 }$ cups