3/5÷4/3+2/5X3/4-3/4=3/5X3/4+2/5X3/4-3/4=3/4X(3/5+2/5-1)=0
3/5÷4/3+2/5x3/4-3/4=3/5*3/4+2/5x3/4-3/4=3/4*(3/5+2/5-1)=3/4*0=0