No, they are not.
0.5 61/3 427/8
Yes because it can be expressed as a fraction in the form of 61/100
The square root of 61 is an irrational number
No
It is a rational number. It can be written as a fraction.
yes
Is 12.05 a rational number or irrational number?
1.96 is a rational number
It is a rational number, as it can be written as a fraction.
Yes, the sum is always rational.
There is no such thing as a number that is both rational and irrational. By definition, every number is either rational or irrational.