Question

which is rational number
(a) 0
(b) -1
(c) 2/3
(d) all of these​

Answer 1

Answer:

-1 is the ratinal number

Answer 2

Answer:

-1 and 2/3 are rational number

Step-by-step explanation:

In mathematics rational means "ratio like." So a rational number is one that can be written as the ratio of two integers. For example 3=3/1, and 2/3 are rational numbers.

hope it's helpful..