5/3 - 4/7 : 2
= 5/3 - 2/7
= 35/21 - 6/21
= 29/21
\(\frac{5}{3}-\frac{4}{7}:2\)
\(=\frac{5}{3}-\frac{4}{7}\times\frac{1}{2}\)
\(=\frac{5}{3}-\frac{2}{7}\)
\(=\frac{29}{21}\)