Write the fractions. Are all these fraction equivalent ?
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Answer
The figure (i) represents 4 shaded circles out of 12 circles. So $\frac4{12}=\;\frac{4\div4}{12\div4}=\;\frac13$ [$\therefore$HCF (4, 12) = 4] The figure (ii) represents 3 shaded circles out of 9 circles. So $\frac3{9}=\;\frac{3\div3}{9\div3}=\;\frac13$ [$\therefore$HCF (3, 9) = 3] The figure (iii) represents 2 shaded circles out of 6 circles. So $\frac2{6}=\;\frac{2\div2}{6\div2}=\;\frac13$ [$\therefore$HCF (2, 6) = 2] The figure (iv) represents 1 shaded circle out of 3 circles. So $\;\frac13$ The figure (v) represents 6 shaded circles out of 15 circles. So $\frac6{15}=\;\frac{6\div3}{15\div3}=\;\frac25$ [$\therefore$HCF (6, 15) = 3] So, all these fractions are not equivalent.
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