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.

Fractions can be added in different ways: When fractions have the same denominator close denominatorNumber written on the bottom of a fraction. The denominator is the number of equal parts. Eg ...

It is less straightforward to picture the answer to this addition because the denominators (bottom numbers) are different. You can only add and subtract fractions when the bottom numbers, or ...

When learning to add fractions there’s a standard method they teach you in school: Make the denominator the same, and whatever you times the denominator by, also multiply the numerator by. You add the ...

In this lesson, students will compare fractions with the same denominator. Mrs. Brewer shows the fractions through several visual representations. / Carrie Brewer, East Saint Louis School District ...