UPSKILL MATH PLUS

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Learn more### Exercise condition:

4♦

**(i)**$\left(\frac{16}{4}+\frac{-28}{5}\right)$ \(=\) $\left(\frac{-28}{5}+\frac{16}{4}\right)$ \(=\) $\frac{i}{i}$.

**(ii)**$\left(\frac{12}{4}\times \frac{4}{7}\right)$\(=\) $\left(\frac{4}{7}\times \frac{12}{4}\right)$ \(=\) $\frac{i}{i}$.

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**Note:**Submit the answer without simplifying the fraction.]