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2 1/2+(-2 1/2)=2 1/2 - 2 1/2 = 0
b)
-3 1/4+7 1/2= 7 2/4 - 3 1/4 = 4 1/4
c)
-12 5/7+5 1/14 = - 12 10/14 + 5 1/14 = -7 9/14
d)
12 3/4-5 5/6= 12 9/12 - 5 10/12 = 7 9/12 - 10/12 = 6 11/12
e)
6 1/6-8 1/6= -2
f)
-4 3/4-6 1/8= -4 6/8 - 6 1/8 = -10 7/8
g)
1 7/15-(-25 2/5)= 1 7/15 + 25 6/15 = 26 13/15
h)
-2 4/13+(-4 27/39)= -2 12/39 - 4 27/39 = -6 39/39 = -7
i)
-3 3/8-(-12 1/8)= -3 3/8 + 12 1/8 = 9 1/8 - 3/8 = 8 6/8 = 8 3/4