4 2/5-0,5+15persen jalan ny dengan pecahan
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[tex]4 \frac{2}{5} - 0.5 + 15\% \\ \\ = \frac{22}{5} - \frac{5}{10} + \frac{15}{100} \\ \\ = \frac{22}{5} - \frac{1}{2} + \frac{3}{20} \\ \\ = \frac{88 - 10 + 3}{20} \\ \\ = \frac{81}{20} = 4 \frac{1}{20} [/tex]
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