Another common struggle: the parts-of-a-whole problem. Fractions are introduced through the “pizza model,” but students’ ...

When the denominators are the same, add the numerators. Sometimes the final answer can be simplified. close simplify (a fraction)To reduce a fraction to its simplest form, also known as its lowest ...

When the denominators are the same, add the numerators. Sometimes the final answer can be simplified. close simplify (a fraction)To reduce a fraction to its simplest form, also known as its lowest ...