Simplifying Fractions

These free printable simplifying fractions worksheets are ideal for 4th and 5th graders building speed at reducing fractions. Larger numerators and denominators reward finding the greatest common factor in one step instead of halving repeatedly.

How to Solve Fractions - Concepts

Find the greatest common factor of the numerator and denominator, then divide both by it. For 12/18, the GCF is 6, so 12/18 becomes 2/3 in a single step. Check your answer: if no number bigger than 1 divides both parts, the fraction is fully simplified.

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