Question

What number should be added to -5/7 to get -2/3

Answer 1

-5/7+(-2/7)

=-15-14/21

=-29/21

Answer 2

Step-by-step explanation:

$\frac{ - 2}{3} - \frac{ - 5}{7}$

$lcm \: = 21$

$\frac{ - 2 \times 7}{3 \times 7} = \frac{ - 14}{21}$

$\frac{ - 5 \times 3}{7 \times 6} = \frac{ - 15}{21}$

$\frac{ - 14 - (-15 )}{21} = \frac{ - 14 + 15 }{21}$

$= \frac{1}{21}$

hope it will help you

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