ayuda ;-;
[tex] \frac{2}{3} - \frac{1}{4} = [/tex]
[tex] \frac{1}{8} + \frac{3}{10} = [/tex]
[tex] \frac{1}{3} + \frac{2}{5} + \frac{3}{2} = [/tex]
[tex] \frac{1}{2} + \frac{3}{4} - \frac{5}{6} = [/tex]
​