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If you can find any common factor of the numerator and denominator,

divide each of them by it.

32 and 45 have no common factor (except ' 1 '), so 32/45 is the simplest form.

64 and 90 have the common factor of 2. So if you see 64/90, divide the top and bottom

both by 2, and you get 32/45, which is the simplest form.

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14y ago

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