Question

What should be added to
(2/ 3+3/5)
so as to get
-2/15​

Answer 1

Answer:

Let x be added to (2/3+3/5) to get -2/15

according to the question

$\frac{2}{3} + \frac{3}{5} + x = \frac{ - 2}{15}$

$\frac{10 + 9}{15} + x = \frac{ - 2}{15}$

$\frac{19}{15} + x = \frac{ - 2}{15}$

$x = \frac{ - 2}{15} - \frac{19}{15}$

$x = \frac{ - 2 - 19}{15}$

$x = - \frac{ - 21}{15}$

so, -21/15 Should be added to 2/3+3/5 to get -2/15

hope it helps

Answer 2

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Number to be added = $\sf -\dfrac{7}{5}$

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Let the number added be x

$\sf \dfrac{2}{3} + \dfrac{3}{5} + x = \dfrac{ - 2}{15} \\ \\ \sf \: x = - \dfrac{2}{15} - \dfrac{2}{3} - \dfrac{3}{5} \\ \\\sf x = \dfrac{ - 2 - 10 - 9}{15} \\ \\ \sf \: x = - \dfrac{21}{15} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ \sf \: x = - \frac{7}{5} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$

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