Curated OER
Fraction - Subtracting Unlike Denominators
These presentations by Monica Yuskaitis are particularly good. In this one, she shows viewers how to deal with subtracting fractions that have unlike denominator, no small task! This is a tricky process, and this PowerPoint takes young...
Curated OER
Fraction X - Adding Unlike Denominators
Adding fractions with unlike denominators is a difficult process to master. This fine presentation does a terrific job of leading young math whizzes through the steps necessary to perform this calculation. The slides have clear graphics,...
Curated OER
Fraction XII: Subtracting Unlike Denominators
This fractions PowerPoint defines and gives examples of multiples and least common multiple, then models how to list multiples and circle the least common multiple. Each step to use in subtracting fractions with unlike denominators is...
Curated OER
Subtracting Fractions, Uncommon Denominators
Fractions can be simple to subtract - but what if they have uncommon denominators? Help your fourth and fifth graders subtract and reduce fractions. This page contains 22 sets of fractions, most of which need to be reduced at least once...
Curated OER
Fraction X--Adding Unlike Denominators
In this math PowerPoint, the process of adding fractions with unlike denominators is broken down into a logical, easy-to-follow sequence of steps. Definitions and examples of multiples, least common multiple, and least common denominator...
Curated OER
Subtract With Unlike Denominators - Practice 5.4
Fifth and sixth graders subtract 15 mixed fractions with unlike denominators and reduce each one to their simplest form. They write and solve two subtraction problems for each model shown. Pupils find the value of n in four Algebra...
Curated OER
Add and Subtract with Unlike Denominators
In this adding and subtracting with unlike denominators learning exercise, learners add and subtract fractions with unlike denominators. They complete six problems.
Curated OER
Adding and Subtracting Fractions (With Unlike Denominators)
In this math worksheet, students subtract and add fractions with unlike denominators. Students solve the problem in steps. They are given examples of how to solve the problems.
Curated OER
Subtracting Mixed Fractions (B)
In this subtracting mixed numbers learning exercise, students subtract whole numbers and fractions with uncommon denominators. Students solve 10 problems.
Education Development Center
Adding Fractions with Unlike Denominators
If the fractions don't have a common denominator, make them have one. Learners first read and analyze a conversation of pupils trying to add 2/5 and 1/2. They compare the process of adding fractions to the process of adding quantities...
Math Centre
Fractions: Adding and Subtracting
Young mathematicians piece together the puzzle of fractions. Starting with the addition and subtraction of fractions with like denominators, this series of example problems and skills practice exercises transitions students to working...
CK-12 Foundation
Differences of Fractions with Different Denominators
Subtracting fractions with unlike denominators is the focus of an interactive designed to boost mathematicians' problem-solving skills. Five questions challenge participants to answer multiple-choice and true or false questions with help...
CK-12 Foundation
Expression Evaluation with Different Denominators: Adding Mixed Fractions of Water
An interactive challenges mathematicians to add mixed fractions with unlike denominators. Five questions—fill-in-the-blank and multiple-choice—build from one to the next leading the way to an open discussion about denominators and...
Curated OER
Adding and Subtracting Mixed Fractions (B)
Here is an adding and subtracting mixed numbers worksheet in which learners find the sums and differences of mixed numbers with uncommon denominators. They solve 10 problems.
Curated OER
Subtracting Fractions #2
Challenge your fifth graders with a instructional activity on subtracting fractions. Each subtraction problem features fractions with different denominators, and prompts learners to follow several steps to fully reduce the answer. A...
Curated OER
Subtract Fractions with Unlike Denominators
In this subtracting fractions instructional activity, youngters learn to find equivalent fractions using a common denominator. They solve 11 problems in which simple fractions with unlike denominators are subtracted.
K-5 Math Teaching Resources
Subtracting Mixed Numbers (Unlike Denominators)
Young mathematicians demonstrate their ability to subtract mixed numbers by completing this collection of fraction word problems. From figuring out the weight of objects in a package, to finding the difference in height between two...
Houghton Mifflin Harcourt
Leveled Problem Solving: Adding and Subtracting Mixed Numbers
Using the six word problems provided, learners practice adding and subtracting mixed numbers. They help Jose, Sasha, Juanita, Stephanie, and Carlos to solve their problems!
Rational Number Project
Initial Fraction Ideas Lesson 22: Overview
Have young mathematicians subtracting fractions in no time with this manipulative-based math lesson. Using their sets of fraction circles, young scholars explore a number of word problems involving the subtraction of fractions before...
Scholastic
Study Jams! Add & Subtract with Unlike Denominators
Your bakers might not realize that they need to know how to add with unlike denominators in order to figure out how much milk they need for a recipe. In order to make brownies and cookies, this lesson teaches how to find a common...
Curated OER
Adding and Subtracting Fractions (2)
Here is an adding and subtracting fractions worksheet in which learners find the sums and differences of fractions with uncommon denominators. They solve 10 problems.
Springfield Public Schools District 186
Adding and Subtracting Fractions with Unlike Denominators
Fractions are your learners' best friend in this simple worksheet that has room to show work as learners practice adding and subtracting fractions with unlike denominators.
Curated OER
Adding and Subtracting Fractions 3
In this beginning fractions instructional activity, students complete a set of 10 problems, adding or subtracting fraction pairs. Page has links to multiple resources.
Curated OER
Adding and Subtracting Fractions 1
For this fractions worksheet, students solve 10 problems, adding or subtracting simple fraction pairs. Page has links to multiple resources.