3 2/5+4 1/8=, hjjjkkk

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3 2/5+4 1/8=

hjjjkkk​

3 \frac{2}{5}  + 4 \frac{1}{8}

 =  \frac{3 \times 5 + 2}{5}  +  \frac{4 \times 8 + 1}{8}

 =  \frac{17}{5}  +  \frac{33}{8}

 =  \frac{17 \times 8}{40}  +  \frac{33 \times5 }{40}

 =  \frac{136}{40}  +  \frac{165}{40}

 =  \frac{(136 + 165)}{40}

 =  \frac{301}{40}

 =  7\frac{21}{40}

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