Bonsoir,
[tex] \frac{5}{9} + \frac{6}{8} = \frac{30}{72} = \frac{5}{12} [/tex]
[tex] \frac{4}{9} + \frac{6}{8} = \frac{24}{72} = \frac{3}{9} [/tex]
[tex] \frac{3}{4} + \frac{8}{9} = \frac{24}{36} = \frac{2}{3} [/tex]
[tex] \frac{4}{5} + \frac{3}{9} = \frac{12}{45} = \frac{4}{15} [/tex]
