1/2 : 3/4 + 1/6 : 3/4
=2/3+2/9
=6/9+2/9
=8/9
\(\frac{1}{2}:\frac{3}{4}+\frac{1}{6}:\frac{3}{4}\)
\(=\left(\frac{1}{2}+\frac{1}{6}\right):\frac{3}{4}\)
\(=\left(\frac{3}{6}+\frac{1}{6}\right):\frac{3}{4}\)
\(=\frac{4}{6}:\frac{3}{4}\)
\(=\frac{2}{3}.\frac{4}{3}\)
\(=\frac{8}{9}\)