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*5/8.*

(7/12) / (14/15) = (7/12) * (15/14)

Multiply the two numerators, and multiply the two denominators

(7 * 15) / (12 * 14)

Simplify where possible: divide the 7 by 14, giving (1 * 15) / (12 * 2) (7/14 is 1/2)

For the next step, visualize this: (15 is 3 * 5; 12 is 3 * 4) so we have (1 * 3 * 5) / (3 * 4 * 2)

Divide both the 15 and the 12 by 3: (1 * 5) / (4 * 2) (we have divided the 3 in the numerator by the 3 in the denominator)

Perform the mulitplications: 5 / 8

If you have not been told to give the decimal equivalent, that is your answer. I'm sure, though, that the fraction is the answer that you are looking for.

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