rational
-7 is a rational number
7 is the ratio of 7 to 1 ... a perfectly rational number.
-7 is the ratio of -7 and 1 ... nice and rational.
rational integer whole number
rational
rational
-7 is a rational number
7 is the ratio of 7 to 1 ... a perfectly rational number.
-7 is the ratio of -7 and 1 ... nice and rational.
10
Yes - if I had an irrational number x, and I added that to the number (7-x), I would end up with 7.If the number is irrational, it can be subtracted from a rational/integer to make another irrational.
10.01 is a rational number
9 out of 7 is a rational number. A rational number is any number that can be expressed as a fraction where the numerator and denominator are integers, and the denominator is not zero. In this case, 9/7 can be simplified to 1.28571428571, which is a rational number.
rational integer whole number
Rational
You wont be able to add a rational number and an irrational number and get a number not in a fraction ( 3 + 22/7) (21/7 + 22/7 = 43/7) So, yes as you see in the example above it made another irrational number.