Question

the sum of two rational number is -3 upon 5. if one of the number is -9 upon 20 find the other rational number

Answer 1

Let other number be x,

Their sum = -3/5

$- \frac{9}{20} + x = - \frac{3}{5} \\ \\ x = - \frac{3}{5} + \frac{9}{20 } \\ \\ x = \frac{ - 12 + 9}{20} \\ \\ x = - \frac{3}{20}$

Other number is -3/20

I hope this will help you

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Answer 2

I think it's -3 upon 20