Question

tính

\(\frac{25}{16}\)-  \(\frac{7}{20}\)

Answer 1

Hoktot\(\frac{25}{16}-\frac{7}{20}=\frac{500}{380}-\frac{112}{380}=\frac{388}{380}=\frac{97}{95}\)

Answer 2

25/16-7/20=125/80-28/80=125-28/80=97/80

Answer 3

\(\frac{25}{16}\)\(-\)\(\frac{7}{20}\)\(=\)\(\frac{125}{80}\)\(-\)\(\frac{28}{80}\)\(=\)\(\frac{97}{80}\)

Answer 4

97/80

Answer 5

Ta có:

\(\frac{25}{16}=\frac{25\times5}{16\times5}=\frac{125}{80}\)

\(\frac{7}{20}=\frac{7\times4}{20\times4}=\frac{28}{80}\)

\(\Leftrightarrow\frac{125}{80}-\frac{28}{80}=\frac{97}{80}\)