is 5 over 7 a rational number
41/9 is a rational number because all fractions are rational numbers
Yes it is.
Yes
Yes, an irrational number would be any number over zero, Pi(π), Tau(τ), etc.
Yes.
9/16
Yes. In fact, most factions are rational. For example, 4/5 is rational, 9/234 is rational, 1/998001 is rational, any whole number over a whole number is rational.
is 5 over 7 a rational number
41/9 is a rational number because all fractions are rational numbers
Rational
-1/9 is rational because it can be expressed as a fraction (ratio).
It is rational
Any addition, subtraction, multiplication, or division of rational numbers gives you a rational result. You can consider 8 over 9 as the division of 8 by 9, so the result is rational.
2/9 is rational by definition- it is a ratio of two integers.
Yes
yes