Why is the float type not the same as double?

Question

Why is no;
float a = 2.2;
double b = 2.2;
a == b? cout << "he" : cout << "no" ;

Answer 1

Because a is of float type and b is of double type. You are comparing there not of equal references. Comparing float(less type) with higher type double. .
float is of 4 bytes normally and double occupies 8 bytes..

Answer 2

Андрей Петров

herre is a detailed answer:

https://stackoverflow.com/a/2386882/7959868

an example:

https://code.sololearn.com/cpKAj8sMnBIG/?ref=app