(4/15-7/6)•4/5 First make the bottom number the same 6•15=90 Bottom number is 90 But what ever you do to the bottom number you do to the top number So 4•6=24 7•15=105 (24/90-105/90)•4/5 24/90-105/90=-81/90 -81/90•4/5 When multiplying two fractions you times both the top numbers and then the bottom numbers -324/450 Simplest form=-162/225 Answer is -162/225
