Here is the key sequence for our solution:

CLEAR key.

 Left parenthesis key. Negation key. 734 Divide key. Left parenthesis key. 296 Plus key. 88 Right parenthesis key. Right parenthesis key. Left parenthesis key. Left parenthesis key. Negation key. 133 Minus key. 459 Right parenthesis key. Divide key. 61 Right parenthesis key. ENTER key.

Notice that we used an implied multiplication between the two fractions, and entered the first denominator and the second numerator using additional parentheses to preserve the correct order of operations.

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