order of operations
pemdas
parenthasees
exponents
multiply or divide
add or subtract
so
72/(1/3-2)+4
parenthaees first
1/3-2=1/3-6/3=-5/3
now we have
72/(-5/3)+4
remeber invert and multiply
72/(-5/3)=72/1 times -3/5=-216/5
now we have
-216/5+4
-216/5+20/5
-196/5
