Question

the sum of two rational numbers is -6/13. if one of them is2/5 then find the other Answer
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Answer 1

Answer:

$\frac{2}{5} + x = \frac{ - 6}{13} \\ x = \frac{ - 6}{13} - \frac{2}{5} \\ x = \frac{( - 6 \times 5) - (2 \times 13)}{65} \\ x = \frac{ - 30 - 26}{65} \\ \boxed{ \large x = \underline{ \underline{ \bf \frac{ - 56}{65} }}}$