Question

Calcule o valor das expressões numéricas. a)1/2+5/6 b)3/4-1/2 c)5/9+2/6 d)11/5-1/2​

Answer 1

a) $\frac{1}{5}+\frac{5}{6}= \frac{3+5}{6}= \frac{8}{6}= \frac{4}{3}$

b) $\frac{3}{4}-\frac{1}{2} = \frac{3-2}{4} = \frac{1}{4}$

c) $\frac{5}{9}+\frac{2}{6}=\frac{5}{9}+\frac{1}{3}= \frac{5+3}{9}=\frac{8}{9}$

d) $\frac{11}{5}-\frac{1}{2}= \frac{22-5}{10}= \frac{17}{10}$

Espero ter ajudado.