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

When you're adding and subtracting fractions with different denominators ... of the fractions so that they have the same denominator. Let's look at an example: Here you can change the fraction ...

even if the numerators and denominators are different are called equivalent fractions. For example, 1/2=2/4=3/6. 5. Unit Fraction: Fractions in which the numerator is 1 is called the unit fraction.