7
2
5
2
5
{\displaystyle \quad {\frac {2}{5}}}
=
2
⋅
7
5
⋅
7
=
14
35
{\displaystyle ={\frac {2\cdot 7}{5\cdot 7}}={\frac {14}{35}}\ }
This article is issued from
Wikibooks
. The text is licensed under
Creative Commons - Attribution - Sharealike
. Additional terms may apply for the media files.