Question

31 phần 48; 5 phần 16 ; -11 phần 16 quy dồng ạ

Answer 1

31/48

5x3 / 16x6 = 15/48

-11 x 3/ 16x3 = -33/48

Answer 2

\(\dfrac{31}{48};\dfrac{5}{16};\dfrac{-11}{16}\) MSC 48

\(\dfrac{5}{16}=\dfrac{5\cdot3}{16\cdot3}=\dfrac{15}{48}\)

\(\dfrac{-11}{16}=\dfrac{\left(-11\cdot3\right)}{16\cdot3}=\dfrac{-33}{48}\)

Answer 3

=-33/48