All integers are rational numbers.
A rational number is any number which can expressed in the form (p/q) where q is not equal to zero.
Any integer can be expressed in this form. For example, (-2) can also be written as (-2/1) where it is of the (P/q) form and q = 1 which is not zero.
So, ALL integers are rational numbers.
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Sometimes. Actually, very, very rarely.
Because integers can be written as fractions. Any number that can be written as a fraction is a rational number.
All integers are rational numbers. There are integers with an i behind them that are imaginary numbers. They are not real numbers but they are rational. The square root of 2 is irrational. It is real but irrational.
Fractions are not integers. They may or may not be rational numbers.
All integers are rational. Not all rational numbers are integers.