Lisa and Valerie are picnicking in Trough Creek State Park in Pennsylvania. Lisa has brought a salad that she made with
\frac{3}{4}
4
3
​
cup of strawberries,
\frac{7}{8}
8
7
​
cup of peaches, and
\frac{1}{6}
6
1
​
cup of blueberries. They ate
\frac{11}{12}
12
11
​
cup of salad. About bow many cups of fruit salad are left?