Can someone tell me the answer? I have to add 2/3 to one of these numbers-1/4? 1/3? 1/2? 2/3? 3/4? 1 3/4? 2 5/12? 3 1/3? 5 3/4? 9 1/12? 2? 3? 4? Once I add one of those numbers which one of these numbers do I get? 1/4? 1/3? 1/2? 2/3? 3/4? 2 5/12? 3 1/3? 5 3/4? 9 1/12? 2? 3? 4?

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)