\(1:MSC:16\\ \dfrac{3}{4}=\dfrac{3\times4}{4\times4}=\dfrac{12}{16};\dfrac{3}{16}\\ 2:MSC:56\\ \dfrac{3}{7}\times=\dfrac{3\times8}{7\times8}=\dfrac{24}{56};\dfrac{7}{8}=\dfrac{7\times7}{8\times7}=\dfrac{49}{56}\)
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