a)\(\dfrac{4}{12}+\dfrac{6}{7}\)+\(\dfrac{8}{24}\)=\(\dfrac{32}{21}\)
b)\(\dfrac{9}{18}+\dfrac{7}{12}-\)\(\dfrac{13}{32}\)=\(\dfrac{65}{96}\)
a)\(\dfrac{8}{24}+\dfrac{6}{7}+\dfrac{8}{24}\)
\(\left(\dfrac{8}{24}+\dfrac{8}{24}\right)+\dfrac{6}{7}\)
\(\dfrac{2}{3}+\dfrac{6}{7}\)= \(\dfrac{14}{21}+\dfrac{18}{21}\)
\(\dfrac{32}{21}\)
b)\(\dfrac{65}{96}\)
\(\dfrac{4}{12}+\dfrac{6}{7}+\dfrac{8}{24}=\dfrac{32}{21}\)
\(\dfrac{9}{18}+\dfrac{7}{12}-\dfrac{13}{32}=\dfrac{65}{96}\)