Make bottom number same
ok, so remember
(a-b)(a+b)=a²+b²
so
to get from (y-x) to (y²-x²), multiply 2nd fraction by (y+x)
so multiply 2nd fraction by (y+x)/(y+x)

=

=
The greatest common divisor of these numbers is 12.
8:2 can be simplified to 4:1. (:
You should use this method
Answer:
they would each get 1/4 of a cookie
Step-by-step explanation: