\(\dfrac{5}{2}và6=\dfrac{30}{12}và\dfrac{72}{12}\)
\(\dfrac{5}{2}=\dfrac{5\times6}{2\times6}=\dfrac{30}{12}\)
\(6=\dfrac{6}{1}=\dfrac{6\times12}{1\times12}=\dfrac{72}{12}\)
\(\dfrac{5}{2}=\dfrac{5\times6}{2\times6}=\dfrac{30}{12}\)
\(6=\dfrac{6\times12}{1\times12}=\dfrac{72}{12}\)
HT
\(\dfrac{5}{2}=\dfrac{5x6}{2x6}=\dfrac{30}{12}\)
\(6=\dfrac{6}{1}=\dfrac{6x12}{1x12}=\dfrac{72}{12}\)
\(\dfrac{5}{2} = \dfrac{5x6}{2x6} = \dfrac{30}{12}\) ; \(6= \dfrac{6}{1}\)\(= \dfrac{6x12}{1x12} = \dfrac{72}{12}\)