Answer:
[tex]1\frac{1}{3}-\frac{3}{4}=\frac{7}{12}[/tex]
change [tex]1\frac{1}{3}[/tex] into [tex]\frac{4}{3}[/tex]
[tex]=\frac{4}{3}-\frac{3}{4}[/tex]
get like denominators:
12
[tex]\frac{16}{12}-\frac{9}{12}[/tex]
16 - 9 = 7
Hope this helps and have a great day!!!
