Question

10/18 - 7/4 = ???

( / là phần nhé )

Answer 1

`10/18-7/4=5/9-7/4=20/36-63/36=-(63/36-20/36)=-43/36`

Answer 2

\(\dfrac{10}{18}-\dfrac{7}{4}=\dfrac{40}{72}-\dfrac{126}{72}=\dfrac{-86}{72}=-\dfrac{43}{36}\)

Answer 3

`10/18-7/4=5/9-7/4=20/36-63/36=-43/36`