Can someone explain this me..
Is 27.5 and 11.5 irritation or rational and why

27.5 and 11.5 are both rational numbers.

Step-by-step explanation:

This is because they do not continue on forever. You know what they are. So numbers like 1, 1.5, 1.234, and 100 are rational. Numbers like pi, 1/3 (1.33333 forever) are irrational.

3/12 or  1.3833

Step-by-step explanation:

if this is a fraction:

3/4 x 1/3

3 x 1 = 3

_    _   _      

4 x 3= 12

if this is decimal:

3/4=0.75

1/3= 0.33333

    +

       1.3833