Grade 6 Math Worksheets: Simplifying fractions | K5 Learning WebFree pdf worksheets from K5 Learning. Skip to main content Reading & Math for K-5. Christmas WS's! ... Below are six versions of our grade 6 math worksheet on simplifying fractions; students are asked to rewrite the given proper fraction in the simplest form (smallest denominator). These worksheets are pdf files. Open PDF. Worksheet #1 …