4/9+5/6+7/18-(1/12+1 1/4)

[latex] \frac{4}{9}+ \frac{5}{6} + \frac{7}{18}-( \frac{1}{12}+1 \frac{1}{4})= \frac{8}{18}+ \frac{15}{18} + \frac{7}{18}-( \frac{1}{12}+1 \frac{3}{12})= \frac{30}{18} -1 \frac{4}{12} =[/latex] [latex]= \frac{30}{18} -1 \frac{4}{12} = \frac{5}{3}-1 \frac{1}{3} =1 \frac{2}{3} -1 \frac{1}{3} = \frac{1}{3} [/latex]