Question

Resolva As expressões

Answer 1

$a) \frac{4}{7} + \frac{5}{7} = \frac{4 + 5}{7} = \frac{9}{7}$

$b) \frac{8}{3} - \frac{6}{3} = \frac{8 - 6}{3} = \frac{2}{3}$

$c) 6 \times \frac{3}{4} = 3 \times \frac{3}{2 } = \frac{9}{2}$

$d) \frac{6}{15} \times \frac{5}{3} = \frac{2}{ 3}$

$e)7 \div \frac{1}{3} = 7 \times 3 = 21$

$f) \frac{8}{5} \div \frac{2}{15} = \frac{8}{5} \times \frac{15}{2} = 4 \times 3 = 12$