Question

Can all integers be rational??

Answer 1

Every integer is a rational number, since each integer n can be written in the form n/1. For example 5 = 5/1 and thus 5 is a rational number. However, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

Answer 2

Yes, all integers are rational numbers. If n is an integer, we can always write it as

n = n / 1

i.e. as a ratio of integers.