[tex]2 - ( \frac{49}{45} - \frac{7}{15} ) \div \frac{14}{20 } = [/tex]
[tex] = \frac{2}{1} - \frac{28}{45} \div \frac{14}{20} = [/tex]
[tex] = \frac{2}{1} - \frac{28}{45} \times \frac{20}{14} = [/tex]
[tex] = \frac{2}{1} - \frac{2}{9} \times \frac{4}{1} = [/tex]
[tex] = \frac{2}{1} - \frac{8}{9} = [/tex]
[tex] = \frac{18 - 8}{9} [/tex]
=10/9
