Question

[Dương Hữu Thanh Phong]

Rút gọn phân số

9/36;30/48;72/42 

Giúp mình với

Answer 1

[Minh Hồng]

\(\dfrac{9}{36}=\dfrac{9:9}{36:9}=\dfrac{1}{4}\)

\(\dfrac{30}{48}=\dfrac{30:6}{48:6}=\dfrac{5}{8}\)

\(\dfrac{72}{42}=\dfrac{72:6}{42:6}=\dfrac{12}{7}\)

Answer 2

[Nguyễn Hoàng Thảo Trang]

\(\dfrac{9}{36}\) = \(\dfrac{1}{4}\)

\(\dfrac{30}{48}\) = \(\dfrac{5}{8}\)

\(\dfrac{72}{42}\) = \(\dfrac{12}{7}\)