1.) -2 1/4 + 2 1/5 =
(-9/4)5 + (11/5)4 =
-45/20 + 44/20 =
-1/20 =
2.) -5 ÷ 2/4 =
-5/1 ÷ 2/4 =
-10/4 =
-2 2/4 or -2 1/2
3.) (-5/6) - (3/2) =
(-5/6) - (3/2)3 =
(-5/6) - (9/6) =
-14/6 or -2 2/6
