Question

Answer 1

\(\dfrac{5}{12}=\dfrac{5.3}{12.3}=\dfrac{15}{36}\\ \dfrac{7}{18}=\dfrac{7.2}{18.2}=\dfrac{14}{36}\)

Answer 2

5/12=5x3/12x3=15/36

7/18=7x2/18x2=14/36

Answer 3

\(\dfrac{5}{12}=\dfrac{5.3}{12.3}=\dfrac{15}{36}\)

\(\dfrac{7}{18}=\dfrac{7.2}{18.2}=\dfrac{14}{36}\)

. là dấu nhân nha