Question

Không quy đồng mẫu hoặc tử hãy So sánh  \(\dfrac{-5}{8}\) và \(\dfrac{6}{-7}\)

Answer 1

-5/8=-35/56

-6/7=-48/56

mà -35>-48

nên -5/8>-6/7

Answer 2

\(\dfrac{-5}{8}và\dfrac{6}{-7}=\dfrac{-5}{8}và\dfrac{-6}{7}=\dfrac{-35}{56}và\dfrac{-48}{56}=>\dfrac{-35}{56}>\dfrac{-48}{56}hay\dfrac{-5}{8}>\dfrac{6}{-7}\)

Answer 3

-5/8=-45/56

6/-7=-48/56

->-5/8>6/-7

Answer 4

-5/8<1

6/-7>1

=>-5/8<6/-7