Question

dổi hỗn số thành số thập phân

  1  1/2= ..                                 2  3/5=...

 3  1/4 =....                                4  7/25 =..

                     

                         ghi luô cách tính nha

 

Answer 1

\(1\frac{1}{2}=1+\frac{1}{2}=1+0,5=1,5\)

\(2\frac{3}{5}=2+\frac{3}{5}=2+0,6=2,6\)

\(3\frac{1}{4}=3+\frac{1}{4}=3+0,25=3,25\)

\(4\frac{7}{25}=4+\frac{7}{25}=4+0,28=4,28\)

Answer 2

\(1\frac{1}{2}=\frac{3}{2}=1,5\)

\(2\frac{3}{5}=\frac{13}{5}=2,6\)

\(3\frac{1}{4}=\frac{13}{4}=3,25\)

\(4\frac{7}{25}=\frac{107}{25}=4,28\)

Answer 3

\(1\frac{1}{2}=\frac{1X2+1}{2}=\frac{3}{2}\)

\(2\frac{3}{5}=\frac{2X5+3}{5}=\frac{13}{5}\)

\(3\frac{1}{4}=\frac{3X4+1}{4}=\frac{13}{4}\)

\(4\frac{7}{25}=\frac{4X25+7}{25}=\frac{107}{25}\)