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Solve these 3/4+(-2/5)​

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Step-by-step explanation:

\frac{3}{4}  + ( \frac{ - 2}{5}  )\\  \\  \frac{3}{4}  -  \frac{2}{5}  \\  \\ taking \:  \: lcm \\  \\ \frac{3 \times 5}{4 \times 5}  -  \frac{2 \times 4}{5 \times 4} \\  \\  \frac{15}{20}  -  \frac{8}{20}  \\  \\  \frac{15 - 8}{20}  \\  \\  \frac{7}{20}



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