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
Least Common Multiple or Least Common Denominator
Fifth and sixth graders solve 12 math problems by finding the least common multiple or least common denominator. They type the answer into the text box.
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...
Online Math Learning
Word Problems That Use GFC or LCM
This is a webpage that contains five word problems requiring learners to find the least common multiple or least common denominator.
Curated OER
Rational Equations and Proportions
In this rational equations worksheet, students solve and complete 11 various types of problems. First, they find a number that is the reciprocal of one described in each statement. Then, students solve for the variable in each expression.
Curated OER
LCD of Expressions
For this algebra worksheet, 11th graders solve rational expression by converting the denominators to the same unit using the least common denominator and multiplication. There are 13 problems.
Curated OER
Adding and Subtracting Fractions
In this adding and subtracting fractions worksheet, students are guided through the process of adding and subtracting fractions and finding the least common denominator for fractions with different denominators. They practice adding and...
Curated OER
Best lesson in the whole world!
Middle schoolers study the concept of fraction using mathematical reasoning. In this problem solving fraction lesson, students use various methods to explain their reasoning in solving fractions. Middle schoolers use a number of...
Curated OER
Fractions
For this math worksheet, students solve fraction problems. Students find equivalents, use common denominators, and explain their answers.
Curated OER
Student Exploration: Adding Fractions
Students complete activities to learn how to add fractions. In this fractions lesson, kids complete a set of prior knowledge questions for fractions. Students then review fraction vocabulary while solving a fraction word problem.
Curated OER
Mixed Numbers and Fractions
For this mixed numbers and fractions worksheet, students solve 18 different problems by addition and subtraction methods. First, they determine the least common denominator in each problem. Then, students find the equivalent fractions...
Curated OER
Add Fractions (A)
In this mathematics worksheet, students solve a number of problems by finding and equivalent fraction using the least common denominator in each. Then they add and change to a mixed number when necessary. Students also reduce the...