answersLogoWhite

0

its the same as working with integers.

+ and a + = +

-and a - = +

+ and a - = -

- and a + = -

eg.

4/4 - - 3/4= 4/4 + 3/4= 1 3/4

1/2+ - 3/10 = 2/10= 1/5

User Avatar

Wiki User

14y ago

What else can I help you with?