Question

Answer 1

2/3

Answer 2

\(\dfrac{2}{3}\)

Answer 3

\(\dfrac{6}{8}-\dfrac{1}{9}=\dfrac{23}{36}\)

Answer 4

= 23/36

Answer 5

\(\dfrac{23}{36}nha\)

Answer 6

62/72 nha bạn

Answer 7

6 / 8 - 1 / 9 =  54 / 72 - 8 /72 

                  = 46 / 72 

                   = 23 / 36 ( rút gọn cho 2 )

Answer 8

\(\dfrac{6}{8}-\dfrac{1}{9}=\dfrac{54}{72}-\dfrac{8}{72}=\dfrac{46}{72}=\dfrac{23}{36}\)