Add and subtract mixed numbers with a common denominator (denominators limited to 2, 3, 4, 5, 6, 8, 10, 12, and 100; no regrouping with subtraction; fractions do not need to be simplified; and no improper fractions as the final answers).

Numbers and Operations—Fractions

Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.

Solve problems involving fractions and whole numbers (straight computation or word problems).