Question

If sum of two rational number is -31/15 if one is -7/5 find the other

Answer 1

$\frac{ - 7}{5} + x = \frac{ - 31}{15} \\ x = \frac{ - 31}{15} + \frac{7}{5} \\ x = \frac{ - 31}{15} + \frac{21}{15} \\ x = \frac{ - 10}{15} \\ x = \frac{ - 2}{3} \\ \: the \: other \: number \: is \: \frac{ - 2}{3} \\ mark \:as \: a \: brainliest \: ......$