Answer:
-1/60
Step-by-step explanation:
[tex]\frac{11}{15} + (- \frac{3}{4} )\\[/tex]
= [tex]\frac{11}{15} - \frac{3}{4}\\[/tex]
= [tex]\frac{44}{60} - \frac{45}{60}\\[/tex] (find LCM of demoninators)
= [tex]\frac{44-45}{60}\\[/tex]
= [tex]\frac{-1}{60}\\[/tex]
= -1/60