Rendre irréductible chaque nombre 2250/750 = 1188/1404 = 8700/7800 = 2880/2640 =

[tex]\frac{2250}{750}=\frac{2\times3^{2}\times5^{3}}{2\times3\times5^{3}}=\frac{3}{1}=3\\\\\frac{1188}{1404}=\frac{2^{2}\times3^{3}\times11}{2^{2}\times3^{3}\times13}=\frac{11}{13}\\\\\frac{8700}{7800}=\frac{87}{78}=\frac{3\times29}{3\times26}=\frac{29}{26}\\\\\frac{2880}{2640}=\frac{2^{5}\times3^{2}}{2^{3}\times3\times11}=\frac{4\times3}{11}=\frac{12}{11}[/tex]

Bonjour,

2250/750 = 750 x 3 / 750 x 1 = 3
1188/1404 = 108 x 11 / 108 x 13 = 11/13
8700/7800 = 300 x 29 / 300 x 26 = 29/26
2880/2640 = 240 x 12 / 240 x 11 = 12/11