Question

The sum of two rational number is -3 by 7 of the number is minus -
5 by 8 find the other

Answer 1

Answer:

other number is 11/56.

Step-by-step explanation:

$let \: the \: other \: number \: \: be \: x \\ \frac{ - 5}{8} + x = \frac{ - 3}{7} \\ x = \frac{ - 3}{7} + \frac{5}{8} \\by \: taking \: lcm \: of \: 7 \: and \: 8 \\ x = \frac{ - 24 + 35}{56} \\ x = \frac{11}{56}$

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