\(\dfrac{\left(-2\right).2}{15.2}-\dfrac{3.3}{10.3}=\dfrac{-4}{30}-\dfrac{9}{30}=\dfrac{-13}{30}\)
\(=\dfrac{-2}{15}+\dfrac{3}{10}=\dfrac{-4}{30}+\dfrac{9}{30}=\dfrac{5}{30}=\dfrac{1}{6}\)
-2/15-(-3/10)=-2/15+3/10=-4/30+9/30=5/30=1/6
-2/15-(-3/10)=-2/15+3/10=-4/30+9/30=5/30=1/6