Question

doy coronita al que me ayude​

Answer 1

Respuesta:

$\frac{8}{21} + \frac{3}{7} = \frac{8}{21} + \frac{9}{21} = \frac{17}{21} \\ \frac{3}{2} + \frac{7}{8} = \frac{12}{8} + \frac{7}{8} = \frac{19}{8} \\ \frac{6}{8} + \frac{2}{4} = \frac{3}{4} + \frac{2}{4} = \frac{5}{4} \\ \frac{12}{10} + \frac{15}{20} = \frac{24}{20} + \frac{15}{20} = \frac{39}{20}$

1.

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

2.