Question

Me ajudem na letra b

Answer 1

$\frac{2}{3} + \frac{1}{4} = \frac{8 + 3}{12} = \frac{11}{12}$

Answer 2

Bom dia!!!

$= ( \frac{2}{3} ) + ( \frac{1}{4} ) \\ = \frac{2 \times 4}{3 \times 4} + \frac{1 \times 3}{4 \times 3} \\ = \frac{8}{12} + \frac{3}{12} \\ = \frac{8 + 3}{12} \\ = \frac{11}{12}$

Espero ter ajudado!
Bons estudos! :)