Question

rational number is subtracted from 2/7, the difference isv4/5. find the rational number​

Answer 1

$\textbf{Given:}$

$\textsf{Rational number is subtracted from}\;\mathsf{\dfrac{2}{7}}$

$\mathsf{the\;difference\;is\;\dfrac{4}{5}}$

$\textbf{To find:}$

$\textsf{The rational number}$

$\textbf{Solution:}$

$\textsf{Let the required number be x}$

$\textsf{As per given data,}$

$\mathsf{\dfrac{2}{7}-x=\dfrac{4}{5}}$

$\mathsf{x=\dfrac{2}{7}-\dfrac{4}{5}}$

$\mathsf{x=\dfrac{10-28}{35}}$

$\implies\boxed{\mathsf{x=\dfrac{-18}{35}}}$

$\textbf{Answer:}$

$\mathsf{The\;required\;rational\;number\;is\;\dfrac{-18}{35}}$