An international governmental organization is made up of at least how many countries

International government organization requires participation from three states at least, whose individuals are bound by a formal contract.  

International organizations provide numerous assorted capacities, including gathering data and observing patterns for example WMO, conveying administrations and help like WHO, and giving forms for exchange as EU and settling issues likeWorld Trade Organization.

the fraction 18/22 is equivalent to 9/11.

in decimal form if needed

this is a proper fraction once the absolute value of the top number or numerator (18) is smaller than the absolute value of the bottom number or denomintor (22).

the fraction 18/22 is equal to 18÷22 and can also be expressed in decimal form as 0.818182.