Question

Assinale a alternativa que indica o resultado da expressão
$\frac{7}{6} - \frac{1}{4} + \frac{3}{9}$
a)
$\frac{1}{2}$
b)
$\frac{1}{3}$
c)
$\frac{2}{3}$
d)
$\frac{3}{4}$
e)
$\frac{5}{4}$

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Answer 1

Resposta:

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Explicação passo-a-passo:

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Answer 2

mmc entre 6, 4 e 9 é 36:

$\frac{7}{6}-\frac{1}{4}+\frac{3}{9}\\\\\frac{(6.7)-(9.1)+(4.3)}{36}\\\\\frac{42-9+12}{36}\\\\\frac{45}{36}\\\\\frac{9.5}{9.4}\\\\\frac{5}{4}$