Fractions, SM-Bank 033 Which two of the following fractions are not in simplest form? (2 marks) `1/3, 2/9, 5/15, 6/28, 8/21` Show Answers Only `5/15, 6/28` Show Worked Solution `5/15 = 1/3\ text(and)\ 6/28 = 3/14` `:.\ 5/15\ text(and)\ 6/28\ text(not in simplest form.)`