Colleen compared the ratios 3: 8 and 3. her work is shown below. write the ratios as fractions: 8 and 2 the common denominator is 8. write each fraction using the common denominator: 8 compare the numerators: 3 > 1 write the correct statement: 3 > 5 3 1 where did colleen make her first mistake? the common denominator should be 4 rather than 8. the numerators are compared incorrectly. the fraction =