12ab/15a= 3*4ab/3*5b=4b/5
6ax²/9ax=2*3ax²/3*3ax=2x/3
-4ax/2a=-2*2ax/2a= -2x
49x²a²/7xa= 7*7x²a²/7xa= 7xa
12ab/15a= 3*4ab/3*5b=4b/5
6ax²/9ax=2*3ax²/3*3ax=2x/3
-4ax/2a=-2*2ax/2a= -2x
49x²a²/7xa= 7*7x²a²/7xa= 7xa
6ах^2/9ах сокращаем 2х/3
-4ах/2а сокращаем -2х
49х^2а^2/7ха сокращаем 7ах