Question

Resuelve las siguientes operaciones
DOY CORONITA Y SIGO​

Answer 1

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Answer 2

Explicación paso a paso:

D)

$\frac{5}{3} + \frac{8}{7} + \frac{7}{2} \\ m.c.m = 42 \\ \frac{5 \times 14}{42} + \frac{8 \times 6}{42} + \frac{7 \times 21}{42} \\ \frac{70 + 48 + 147}{42} = > \frac{265}{42} = 6 \frac{13}{42}$

F)

$7 \frac{2}{3} + 4 \frac{2}{5} + 2 \frac{1}{15} \\ \frac{23}{3} + \frac{22}{5} + \frac{31}{15} \\ m.c.m = 15 \\ \frac{23 \times 5}{15} + \frac{22 \times 3}{15} + \frac{31}{15} \\ \frac{115 + 66 + 31}{15} = > \frac{212}{15} = 14 \frac{2}{15}$