Answer
-$\frac{35}{6}$
Work Step by Step
(3$\frac{1}{3}$)(-1$\frac{3}{4}$)
($\frac{3(3)+1}{3}$)(-$\frac{1(4)+3}{4}$)
($\frac{9+1}{3}$)(-$\frac{4+3}{4}$)
($\frac{10}{3}$)(-$\frac{7}{4}$)
-$\frac{10(7)}{3(4)}$
-$\frac{70}{12}$
-$\frac{35}{6}$