Question

Express 2/-3 as a rational number with denominator :

(i) - 15
(ii) 18​

Answer 1

Answer:

(i)-15

denominator should be -15

2/-3

-3×5=-15

so,multiply 2/-3 with 5/5

2/-3×5/5

=10/-15

(ii)18

denominator should be 18

2/-3=-2/3

3×6=18

so, multiply -2/3with 6/6

-2/3×6/6=-12/18

ans) -12/18