Question

breduce a común denominador 4/5 3/10 7/15
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Answer 1

$5 = 1 \times 5 \\ 10 = 2 \times 5 \\ 15 = 3 \times 5 \\ M.C.M.(5,10,15) = 2 \times 3 \times 5 = 30$

$\frac{4}{5} = \frac{24}{30} \\ \frac{3}{10} = \frac{9}{30} \\ \frac{7}{15} = \frac{14}{30}$