Question

Rút gọn phân số

9/36;30/48;72/42 

Giúp mình với

Answer 1

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

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

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

Answer 2

\(\dfrac{9}{36}\) = \(\dfrac{1}{4}\)

\(\dfrac{30}{48}\) = \(\dfrac{5}{8}\)

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

Answer 3

9/36=1/4(chia tử mẫu cho 9)

30/48=5/8(chia tử mẫu cho 6)

72/42=12/7(chia tử mẫu cho 6)

Answer 4

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

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

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

Answer 5

`9/36=(9:9)/(36:9)=1/4`

`30/48=(30:6)/(48:6)=5/8`

`72/42=(72:6)/(42:6)/12/7`

Answer 6

9/36=1/4                30/48=5/8                       72/42=12/7

cho mk 1 tik nha>-<

Answer 7

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