Răspuns:
-3/5+1/3=
=(-3×3+1×5)/15
=(-9+5)/15
=-4/15
[tex]\it-\dfrac{^{3)}3}{\ 5}+\dfrac{^{5)}1}{\ 3}=\dfrac{-9+5}{15}=-\dfrac{4}{15}[/tex]
