Question

Calcule e simplifique

2/3 + 5/7=???

3/4 - 1/6=??????

1/3 + 4/5=?????

Answer 1

Explicação passo-a-passo:

$\frac{2}{3} + \frac{5}{7} = \frac{14+15}{21} = \frac{29}{21}$

$\frac{3}{4} - \frac{1}{6}= \frac{9 - 2}{12} = \frac{7}{12}$

$\frac{1}{3} + \frac{4}{5} = \frac{5+12}{15} = \frac{17}{15}$