find the sum -5/7 and 2/-7
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Answer:
-0.428571429
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(-5/2 ) + (2/-7)
We can write 2/-7 as -2/7 by multiplying the numerator and denominator by -1
Now both the denominators are same so we can add them
= -5/7 + -2/7
=-5-2/7
= -7/7
They both get cancelled out by 7
=-1/1
= -1
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