Try another version of this question

Question 1
Use the models below to subtract: `2-1/2`, write your answer as a mixed number.

[Graphs generated by this script: initPicture(0,60,0,60);stroke="black";fill="cyan";line([60,30],[30,30]);line([30,30],[0,30]);fill="cyan";stroke="cyan";path([[60,30],[30,30],[0,30],[60,30]]);stroke="black";arc([60,30],[0,30],30);line([30,30],[60,30]);fill="cyan";stroke="cyan";path([[0,30],[30,30],[60,30],[0,30]]);stroke="black";arc([0,30],[60,30],30);stroke="black";line([60,30],[30,30]);line([30,30],[0,30]);line([30,30],[60,30]);] [Graphs generated by this script: initPicture(0,60,0,60);stroke="black";fill="cyan";line([60,30],[30,30]);line([30,30],[0,30]);fill="cyan";stroke="cyan";path([[60,30],[30,30],[0,30],[60,30]]);stroke="black";arc([60,30],[0,30],30);line([30,30],[60,30]);fill="cyan";stroke="cyan";path([[0,30],[30,30],[60,30],[0,30]]);stroke="black";arc([0,30],[60,30],30);stroke="black";line([60,30],[30,30]);line([30,30],[0,30]);line([30,30],[60,30]);] [Graphs generated by this script: initPicture(0,60,0,60);line([30,30],[0,30]);fill="none";arc([60,30],[0,30],30);line([30,30],[60,30]);fill="red";stroke="red";path([[0,30],[30,30],[60,30],[0,30]]);stroke="black";arc([0,30],[60,30],30);stroke="black";line([60,30],[30,30]);line([30,30],[0,30]);line([30,30],[60,30]);]