Answer:
1/9
Step-by-step explanation:
1/9 is a fraction, so it is rational.
Step-by-step explanation:
i hope it helped you a lot. thankyou
2/5 (-7) 5/2 as you know 2/5 x 5/2 = 1
so 1 x (-7) = -7
so the asnwer is -7
1440 will be your least common multiple