Question

Tính: -1/42 + 3/48

Answer 1

\(\dfrac{13}{336}\)

Answer 2

=-1/42+1/16=13/336

Answer 3

\(\dfrac{-1}{42}+\dfrac{3}{48}=\dfrac{-1}{42}+\dfrac{1}{16}=\dfrac{-8}{336}+\dfrac{21}{336}=\dfrac{13}{336}\)

Answer 4

\(\dfrac{-1}{42}+\dfrac{3}{48}=\dfrac{-8}{336}+\dfrac{21}{336}=\dfrac{\left(-8\right)+21}{336}=\dfrac{13}{336}\)

Answer 5

=13/336