Question

me ayudan? plis
$\frac{3}{10} + \frac{1}{2} - \frac{3}{20}$
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Answer 1

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$\frac{3}{10}+ \frac{1}{2}-\frac{3}{20}$

MCM(10,2,20)=20

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→$\frac{2(3)+10(1)-1(3)}{20}$

  $\frac{6+10-3}{20}$

  $\frac{13}{20}$   ó   0.65

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Ahí lo tienes :)

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