Geared towards 4th and 5th graders, the Subtracting Fractions (Easy Unlike Denominators) printable introduces the first steps of finding common multiples.

How to Solve Fractions - Subtraction

You must make the bottom numbers match before subtracting. Find the Least Common Multiple (LCM) for the two denominators, adjust the numerators accordingly, and then subtract the second numerator from the first. The denominator stays the same in your final answer.

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