The Subtracting Fractions (Unlike Denominators) exercise challenges 5th graders to apply full conversion mechanics before executing the subtraction.

How to Solve Fractions - Subtraction

Find a common denominator by either listing out multiples or multiplying the two denominators together. Multiply the top of each fraction by whatever you multiplied its bottom by. Once the fractions have matching denominators, subtract the top numbers and simplify.

You can view the preview of this worksheet below, or download the full high-resolution PDF along with the answer key for easy grading.