To simplify 2/4, you divide both the numerator (2) and the denominator (4) by their greatest common divisor, which is 2. This gives you 1/2. Thus, 2/4 simplifies to 1/2.
0.5
2.75.
11/10
Nothing "does" 23/4
2.75
-2.75
5 and 1/2
14/4
17/12
15/8
1/4 of 10 is 2 1/2 or 2.5
3 3/4 - 1 1/4 = 2 2/4 = 2 1/2 15 / 4 - 5/ 4 = 10/ 4 = 2 2/ 4 = 2 1/2