Bonjour,
[tex] \frac{60}{125} = \frac{ \frac{60}{5} }{ \frac{125}{5} } = \frac{12}{25} [/tex]
[tex] \frac{72}{60} = \frac{ \frac{72}{12} }{ \frac{60}{12} } = \frac{6}{5} [/tex]
[tex] \frac{66}{440} = \frac{ \frac{66}{22}}{ \frac{440}{22} } = \frac{3}{20} [/tex]
