# Chapter R - Section R.1 - Real Numbers - R.1 Assess Your Understanding - Page 16: 69

$\dfrac{2}{7}$

#### Work Step by Step

Before multiplying the fractions, cancel common factors first to obtain: $\require{cancel} =\dfrac{\cancel{3}}{\cancel{5}} \cdot \dfrac{\cancel{5}\cdot2}{\cancel{3}\cdot 7} \\=\dfrac{2}{7}$

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