Question

а)5 1/3:8/9:1/3
б)5 1/3:(8/9×1/3)

Answer 1

$\displaystyle 1)5\frac{1}{3}:\frac{8}{9}:\frac{1}{3}=\frac{16}{3}*\frac{9}{8}*3=2*9=18\\ \\2)5\frac{1}{3}:(\frac{8}{9}*\frac{1}{3})=\frac{16}{3}:\frac{8}{27}=\frac{16}{3}*\frac{27}{8}=2*9=18$