1)4 - 5/9 + 1 2/9 = 2)2 - 2/3 - 1/2 =
1) 4-5/9+1 2/9=3 4/9+1 2/9=4 6/9=4 2/3 2) 2-2/3-1/2=2-4/6-3/6=2-7/6=2-1 1/6=5/6
1) 4-5/9+1 2/9=3 4/9+1 2/9=4 5/9 2) 2-2/3-1/2=1 1/3-1/2=1 2/6-3/6=5/6