Determine the commutative property — task. Mathematics CBSE, Class 8.

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(i)

$(\frac{13}{4} + \frac{-30}{4})$

$=$

$(\frac{-30}{4} + \frac{13}{4})$

$=$

$\frac{i}{i}$ .

(ii)

$(\frac{18}{12} \times \frac{4}{28})$

$=$

$(\frac{4}{28} \times \frac{18}{12})$

$=$

$\frac{i}{i}$ .

(Note: Submit the answer by simplifying the fraction.)

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