Question

Alguem pode me dizer o resultado e o calculo.

Answer 1

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

e)
$\frac{1}{2} + \frac{3}{4}+ \frac{4}{3} = \frac{6+9+16}{12} = \frac{31}{12}$

f)
$\frac{3}{5} + \frac{2}{3} - \frac{1}{2} = \frac{18+20-15}{30} = \frac{38-15}{30} = \frac{23}{30}$