Question

What number should be added to the sum of 3/4 and -2/-5 to get -8/15 ?​

Answer 1

Answer:

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Step-by-step explanation:

Let the unknown number be x then

$x + ( \frac{ - 2}{ - 5} ) = \frac{ - 8}{15} \\ = > x + \frac{2}{5} = \frac{ - 8}{15} \\ = > x = \frac{ - 8}{15} - \frac{2}{5} \\ = > x = \frac{ - 8 - 6}{15} \\ = > x = \frac{ - 14}{15}$

so -14 /15 should be added to the sum of 3/4 and -2/-5 to get -8/15

Answer 2

Answer:0.8833

Step-by-step explanation:

You first add 3/4 and -2/-5 together then subtract your answer from -8/15