Common Core Math 4.nf.2
Number And Operations - Fractions: Extend Understanding Of Fraction Equivalence And Ordering.
Compare two fractions with different numerators and different denominators, e.g., by creating common denominators or numerators, or by comparing to a benchmark fraction such as 1/2. Recognize that comparisons are valid only when the two fractions refer to the same whole. Record the results of comparisons with symbols >, =, or