Which of the following are rational numbers and which are not?
-7-25
A rational number is defined as a number that can be expressed in the form pq where p (numerator) and q (denominator) are integers (q≠0).
Here, -7-25=725 and p=7,q=25.
Hence, -7-25 is a Rational Number.
45
4-415×(-2)
70
Which of the following rational numbers are positive and which are negative.
-15-27
37