Treat the ratios as fractions. One way you can compare them is to convert them to decimal (divide the numerator by the denominator, or the first number of the ratio by the second number), then compare. Another way is to find a common denominator, then compare the numerators.
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To compare ratios, compare the products of the outer terms by the inner terms.
The simplified forms of the two ratios are the same.The cross products are the same: a/b = c/d if ad = bc
The simplified forms of the two ratios are the same.The cross products are the same: a/b = c/d if ad = bc
they both have the same ratios
you can compare two measurements using ratios to find the unit rate.