Question

tinh

3/5 tru 1/15 nhan 10/13

Answer 1

\(\frac{3}{5}-\frac{1}{15}\times\frac{10}{13}\)

\(=\frac{3}{5}-\frac{10}{195}\)

\(=\frac{39}{195}-\frac{10}{195}\)

\(=\frac{29}{195}\)

Answer 2

\(\frac{3}{5}-\frac{1}{15}=\frac{8}{15}\)

\(\frac{8}{15}\cdot\frac{10}{13}=\frac{16}{39}\)