Answer:
The sum of -3/7 and its opposite is 0
Step-by-step explanation:
The problem says to find the sum of -3/7 and its opposite.
The opposite of -3/7 is +3/7
Sum means we need to add -3/7 and +3/7.
[tex]\dfrac{-3}{7}+\dfrac{3}{7}=0[/tex]
As the two fractions have opposite signs, it means when we add them we get the answer as 0.