2.75.
They would all lie between 1 and 2. 1.4 would be the leftmost (closer to 1), 1½ is in the middle, and 1 3/4 is rightmost (closer to 2).
Nothing "does" 23/4
2.75
-2.75
3 3/4 - 1 1/4 = 2 2/4 = 2 1/2 15 / 4 - 5/ 4 = 10/ 4 = 2 2/ 4 = 2 1/2
2/3 times 3/4 = 1/2
14/4
15/8
17/12
No, 2/3 = 0.666, while 3/4 = 0.75
6