# Add and Subtract Two Fractions with the Same Units

Videos to help Grade 4 students learn how to use visual models to add and subtract two fractions with the same units.

Common Core Standards: 4.NF.3a, 4.NF.3d, 4.NF.1, 4.MD.2

### NYS Common Core Grade 4 Module 5, Lessons 16

Lesson 16 Concept Development

Problem 1: Solve for the difference using unit language and a number line.

Problem 2: Decompose to record a difference greater than 1 as a mixed number.

Problem 3: Solve for the sum using unit language and a number line.

Lesson 16 Problem Set 1 & 2

1. Solve.
a. 3 fifths – 1 fifth = ____ b. 5 fifths – 3 fifths = ____
c. 3 halves – 2 halves = ____ d. 6 fourths – 3 fourths = _____
2. Solve.

Lesson 16 Problem Set 3

3. Solve. Use a number bond to show how to convert the difference to a mixed number. Problem (a) has been completed for you.
Lesson 16 Problem Set 4 - 6

4. Solve. Write the sum in unit form. a. 2 fourths + 1 fourth = ______ b. 4 fifths + 3 fifths = ______
5. Solve.
6. Solve. Use a number bond to decompose the sum. Record your final answer as a mixed number. Problem (a) has been completed for you.

Lesson 16 Problem Set 7

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.