3.3 Adding and Subtracting Fractions: Match the Piece Sizes First
Point 4 of 4
3.3.4 The Habit of Simplifying the Result
Core idea
When you're done, reduce to lowest terms and turn an improper fraction back into a mixed number — only then is the answer fully said.
Module goal. Add and subtract fractions once the parts match, handling unlike denominators with a common denominator, mixed-number addition and subtraction, and reducing the result.
eastmath.com · 3.3 Adding and Subtracting Fractions: Match the Piece Sizes First · 3.3.4 The Habit of Simplifying the Result