Fractiile se inverseaza pe rand, ca in exemplul urmator:
[tex] \frac{14}{27} \div \frac{7}{9} \div \frac{2}{ 3} = [/tex]
[tex] = \frac{14}{27} \times \frac{9}{7} \div \frac{2}{3} = [/tex]
[tex] = \frac{3}{2} \div \frac{2}{3} = [/tex]
[tex] = \frac{2}{3} \times \frac{3}{2} = [/tex]
[tex] = 1[/tex]