In this case, we are to find the final answer of the fraction given.

Usually, we can use the calculator to compute the answer; it's quite rare that we need to work out all the steps (as shown below).

However, once in a while, we might be asked to shown the working so that we can observe some 'patterns', to be applied to other parts of the question.

Take note the working on the right.

- Do not skip step, rewrite the "complex" fraction to what's shown (with the divide sign in-between).
- Then "convert" the divide sign to multiplication sign; hence we have the reciprocal of the fraction (which is after the "multiplication" sign now)

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