## math

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### math

by arbre » Mon Jun 06, 2022 11:41 pm
Hi,
the general rule is: adding a to the numerator and b to the denominator moves the resultant fraction closer to the fraction a/b. If x/y < a/b, moving the starting fraction close to a/b will make it bigger. If x/y > a/b, moving the starting fraction close to a/b will make it smaller.

What is the reason behind this general rule ?

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