In adding and subtracting fractions with unlike denominators, you have to get a least common denominator which is exactly like the least common multiple it just so happens to be in the denominator.

The bottom number, or the denominator, represents how many slices there are in the pizza, so when we're adding ... your fractions. 1/4 plus 2/5, and you recognize that you have unlike denominators.

Back to top Activity: Adding and subtracting fractions with different denominators Complete this activity to learn how to add and subtract fractions with different denominators and then put your ...

Students will be able to practice comparing fractions with like denominators. In this lesson, students will be able to practice comparing fractions with like denominators. Mrs. Brewer demonstrates ...