-3/2+3/-5

-3/2= -1.5

 

3/-5 = -0.6

 

-1.5+-0.6=-2.1 

\(-\dfrac{3}{2}+\dfrac{3}{-5}\)

=\(-\dfrac{15}{10}-\dfrac{6}{10}\)

=\(\dfrac{(-15-6)}{10}\)

=\(-\dfrac{21}{10}\)

.