PLS I NEED HELP WITH THIS

Answer:
1/10
Step-by-step explanation:
The fraction 3/5 can be rewritten as one that has 10 as its denominator.
[tex]\dfrac{7}{10}+\left(-\dfrac{3}{5}\right)=\dfrac{7}{10}-\dfrac{6}{10}=\dfrac{7-6}{10}=\boxed{\dfrac{1}{10}}[/tex]