To determine which fractions are equivalent to \( \frac{2}{7} \), we can cross-multiply or simplify them.
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\( \frac{10}{35} \): \[ \frac{10 \div 5}{35 \div 5} = \frac{2}{7} \] This fraction is equivalent to \( \frac{2}{7} \).
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\( \frac{4}{7} \): This is already in simplest form and is not equivalent to \( \frac{2}{7} \).
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\( \frac{2}{14} \): \[ \frac{2 \div 2}{14 \div 2} = \frac{1}{7} \] This fraction is not equivalent to \( \frac{2}{7} \).
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\( \frac{8}{28} \): \[ \frac{8 \div 4}{28 \div 4} = \frac{2}{7} \] This fraction is also equivalent to \( \frac{2}{7} \).
Thus, the two fractions that are equivalent to \( \frac{2}{7} \) are \( \frac{10}{35} \) and \( \frac{8}{28} \).