Answer: [tex]\dfrac{7}{8}[/tex]
Step-by-step explanation:
Given
Shana ate [tex]\frac{3}{8}[/tex] of her chocolate
Clara ate [tex]\frac{3}{4}[/tex] of her chocolate
Chocolate left with Shana is
[tex]\Rightarrow 1-\dfrac{3}{8}=\dfrac{5}{8}[/tex]
Chocolate left with Clara is
[tex]\Rightarrow 1-\dfrac{3}{4}=\dfrac{1}{4}[/tex]
Clara gave her remaining to the Shana
Now Shana has
[tex]\Rightarrow \dfrac{5}{8}+\dfrac{1}{4}=\dfrac{5+2}{8}\\\\\Rightarrow \dfrac{7}{8}\ \text{of a full chocolate}[/tex]