Build fractions from unit fractions by applying and extending previous understanding of operations on whole numbers.
Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions, e.g., by using a visual fraction model. Examples: 3/8=1/8+1/8+1/8; 3/8=1/8+2/8(4.NF.3b)
More information and the complete College and Career Readiness Standards can be found here.