Question

4/5-5/7= bao nhiêu ??

 

Answer 1

\(\dfrac{4}{5}-\dfrac{5}{7}=\dfrac{28}{35}-\dfrac{25}{35}=\dfrac{3}{35}\)

Answer 2

\(\dfrac{4}{5}-\dfrac{5}{7}=\dfrac{28}{35}-\dfrac{25}{35}=\dfrac{3}{35}\)

Answer 3

\(\dfrac{4}{5}-\dfrac{5}{7}=\dfrac{28}{35}-\dfrac{25}{35}=\dfrac{3}{35}\)

Answer 4

`4/5 - 5/7 = 28/35 - 25/35 =(28-25)/35= 3/35`