Bài 6:
a: -27/120=-9/40
-13/40=-13/40
b: \(\dfrac{14}{125}=\dfrac{14}{125}\)
-6/25=-30/125
c: \(\dfrac{11}{30}=\dfrac{220}{600};-\dfrac{27}{60}=-\dfrac{270}{600};\dfrac{35}{200}=\dfrac{105}{600}\)
d: \(\dfrac{13}{60}=\dfrac{39}{180};-\dfrac{7}{18}=-\dfrac{70}{180};-\dfrac{32}{90}=-\dfrac{64}{180}\)