Question

9 PHẦN 14 + 8 PHẦN 21 = ? GIÚP MÌNH VỚI 

Answer 1

\(\dfrac{9}{14}+\dfrac{8}{21}=\dfrac{27}{42}+\dfrac{16}{42}=\dfrac{43}{42}\)

Answer 2

\(\dfrac{9}{14}+\dfrac{8}{21}=\dfrac{27}{42}+\dfrac{16}{42}=\dfrac{43}{42}\)

Answer 3

\(\dfrac{9}{14}+\dfrac{8}{21}=\dfrac{ }{ }\)