No.
one and a half
3 and 2/5
8/4 =2
It is: 4/10 = 2/5 simplified
4 and 1/2
you cant simplify 3/4
16 - 2 = 14
4/81 is the lowest you can simplify it.
x-(x+4)
theyre equal, because if you simplify four sixth it reduces down to two thirds.
4/7 because if you simplify it you would get 4/7