Question

what should be added to twice of the rational number-7/5 to get 3/​

Answer 1

★ Question

→ what should be added to twice of the rational number$\frac {-7}{5}$ to get$\frac{3}{7}$

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→ Solution★

→let the added twice number be = 2x

$\implies 2x- \frac{7}{5}+x= \frac{3}{7} \\ \implies \frac{-14}{5}+x=\frac{3}{7} \\ \implies x= \frac{3}{7}+ \frac{14}{5} \\ \implies x= \frac{15+98}{35} \\ \implies x= \frac{113}{35}$

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★ Extra explanation

• consider number according to question.
• make a equation and solve
• take l.c.m.
• then you get your answer.

★The required number is $\implies \huge \frac{113}{35}$