# CCSS.4.NF.B.3

fraction addition, fraction subtraction, decomposition; calculate, decompose, explain.

System: US Common Core Math
Route: /math/standards/us-ccss/curratom-us-ccss-4-nf-b-3
Skills: 4

## Skills and Examples

- [Add Same Denom Mixed](/math/skills/frac/add-same-denom-mixed) — Fraction Equivalence, Comparison, and Operations
- [Add Same Denom Unit](/math/skills/frac/add-same-denom-unit) — Fraction Equivalence, Comparison, and Operations
- [Decompose](/math/skills/frac/decompose) — Fraction Equivalence, Comparison, and Operations
- [Sub Same Denom](/math/skills/frac/sub-same-denom) — Fraction Equivalence, Comparison, and Operations