Utilisateur:Bibou48/Brouillon

${\frac {56}{8}}$

$0{,}256={\frac {256}{1000}}={\frac {32}{125}}$

$15{,}16={\frac {1516}{100}}={\frac {379}{25}}$

$A={\frac {1}{6}}+{\frac {4}{9}}$

$A={\frac {3}{18}}+{\frac {8}{18}}$

$A={\frac {11}{18}}$

${\frac {5}{5}}$ ${\frac {23}{23}}$

${\frac {11}{4}}$ ${\frac {37}{15}}$

${\frac {19}{30}}$ ${\frac {3}{7}}$

$A={\frac {1}{2}}+{\frac {5}{4}}$

$A={\frac {1\times 2}{2\times 2}}+{\frac {5}{4}}$

$A={\frac {2}{4}}+{\frac {5}{4}}$

$A={\frac {7}{4}}$