Question

calcule: 1/3+2/3
b) 5/3-4/3

Answer 1

respostas abaixo
1/3+2/3=3/3=1
5/3-4/3=1/3
espero ter ajudado

Answer 2

$a) \\ \\ \dfrac{1}{3} + \dfrac{2}{3}$

mmc = 3

$x = \dfrac{1 + 2}{3} \\ \\ \\ x = \dfrac{3}{3} \\ \\ \\ x = 1$

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$b) \\ \\ \dfrac{5}{3} - \dfrac{4}{3}$

mmc  = 3

$x = \dfrac{5 - 4 }{3} \\ \\ \\ x = \dfrac{1}{3}$