Question

What should be added to -5/7 to get -⅔?​

Answer 1

Answer:

Step-by-step explanation:

let the number to be added is x

$-\frac{5}{7} + x = -\frac{2}{3}\\\\-\frac{5}{7} + \frac{2}{3} = -x\\\\x = \frac{5}{7} - \frac{2}{3}\\\\x = \frac{5*3 - 2*7}{21}\\\\x = \frac{15 - 14}{21}\\\\x = \frac{1}{21}$

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Answer 2

Answer:

Step-by-step explanation: