Question

a)9/5+3/2
b) 3/4 : 5/9
efutuar os cálculos acima

Answer 1

a)
$\frac{9}{5} + \frac{3}{2} = \frac{18 + 15}{10} = \frac{33}{10}$
b)
$\frac{3}{4} \div \frac{5}{9} = \frac{3}{4} \times \frac{9}{5} = \frac{27}{20}$