4.NF.B.3Grade 4Common Core State Standards
Adding and subtracting fractions
Understand a fraction a/b with a > 1 as a sum of fractions 1/b; add and subtract fractions and mixed numbers with like denominators.
Understand a fraction a/b with a > 1 as a sum of fractions 1/b; add and subtract fractions and mixed numbers with like denominators.