Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.

Number and Operations-Fractions

Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers (limited to denominators 2, 3, 4, 5, 6, 8, 10, 12, and 100).

Understand a fraction 𝑎/𝑏 with 𝑎 > 1 as a sum of unit fractions (1/𝑏).