Yes. A half multiplied by two gives one for example. Three by a third or 4 by a fourth or 5 by a fifth and so on, are all examples.
Chat with our AI personalities
Yes. This is the same as asking for one rational number to be subtracted from another; to do this each rational number is made into an equivalent rational number so that the two rational numbers have the same denominator, and then the numerators are subtracted which gives a rational number which may possibly be simplified.
1.5 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
The other is 7/18.
Their count. Two in the first case, one in the second.
They are not. They are countably infinite. That is, there is a one-to-one mapping between the set of rational numbers and the set of counting numbers.