1 $\frac{2}{5}$ :1 $\frac{1}{7}$

Question

1

\frac{2}{5}

:1

\frac{1}{7}

=

\frac{7}{5} : \frac{8}{7} = \frac{7}{5} \times \frac{7}{8} = \frac{49}{40}

Answer 1

Trả lời:

Giải bởi Vietjack

1

\frac{2}{5}

:1

\frac{1}{7}

=

\frac{7}{5} : \frac{8}{7} = \frac{7}{5} \times \frac{7}{8} = \frac{49}{40}

125:117