Add and Subtract Fractions with Like Denominators - Reteach

For this fraction activity, fourth and fifth graders solve six word problems, all having to do with adding or subtracting fractions with like denominators. This activity can be adapted to the Common Core standards in math.

Add and subtract fractions with common denominators! In this fractions lesson, upper graders review what they already know about fractions, use manipulatives to compare fractions, and add and subtract fractions.

In this fraction worksheet, learners solve 6 word problems that have to do with adding or subtracting fractions with like denominators. All answers are to be reduced to simplest form.

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...

Why can't mathematicians add just like they multiply fractions? The resource provides a counterexample to show that the same rules for multiplying fractions do not work for addition. Using the counterexample, learners see the proper way...

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...

Combine fractions that have unlike denominators and a variable. As usual the variable needs to get isolated. Then find the least common denominator so you can combine the fractions. Finally put it all back together.

Use Glencoe's randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with like denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of...

Combining fractions with unlike denominators. Wait! You can't do that! You have to have common denominators to combine the numerator of fractions. Here's a quick review of changing the denominator by multiplying each fraction by that...

In this finding of the sums and differences of fractions learning exercise, learners add and subtract fractions with the same denominators. Students solve 16 problems.