$5\frac{2}{6}$  

 $5$  

 $5\frac{0}{9}$  

 $\frac{0}{9}$  

1 whole pizza was left.

 $\frac{1}{2}$  of the pizza was left.

 $\frac{1}{5}$  of the pizza was left

 $1\frac{1}{2}$  

 $1\frac{1}{4}$  

 $3\frac{2}{6}$  

 $3\frac{1}{4}$  

 $2\frac{1}{14}$  

 $1\frac{1}{4}$  

 $4\frac{11}{14}$  

 $1\frac{3}{14}$  

 $5$  

 $\frac{30}{6}$  

 $5\frac{0}{6}$  

 $4\frac{6}{6}$  

No, because she didn't write it vertically and she didn't even show her work.

Yes, because she subtracted.

Yes, because she circled the answer and her subtraction is correct.

No, because she didn't find a common denominator that both fractions have.