Question

2) Calcule e simplifique o resultado, quando for possível:
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Answer 1

Resposta:

Olá bom dia!

a) $\frac{5}{8} + \frac{7}{12}$  $= \frac{3.5 + 2.7}{24}$$= \frac{15 + 14}{24} = \frac{29}{14}$

b) $\frac{2.7 - 3.1}{18} =\frac{14 -3}{18} = \frac{11}{18}$

c) $\frac{8.4+20.1-5.5}{40} = \frac{32+20-25}{40} =\frac{27}{40}$