Comparison of mixed fractions quiz online. Mixed fractions are fraction values that contain both whole numbers and fraction values. Generally, the value of the whole number dictates the value of the fraction. The larger the value of the whole number, the larger the value of value of the fraction. Having this rule in mind will make the process of comparing easy. Students will use expressions and signs as follows: greater than >, less than < or equal =. These expressions appear in MCQ’s; select the relevant expression and submit to check your answer. This activity is for students in 3rd, 4th, 5th and 6th grades.