Question

3,9/10+2,9/10

 

Answer 1

\(=\dfrac{3,9+2,9}{10}=\dfrac{6}{10}=\dfrac{3}{5}\)

Answer 2

\(\dfrac{3,9}{10}+\dfrac{2,9}{10}=\dfrac{3,9+2,9}{10}=\dfrac{6,8}{10}=0,68\)

Answer 3

\(\dfrac{3,9}{10}+\dfrac{2,9}{10}=\dfrac{3,9+2,9}{10}=\dfrac{6,8}{10}=0,68\)