a) 7/7 - 4/7 = 3/7
b) 5/5 - 2/5 = 3/5
c) 16/8 - 5/8 = 11/8 = 1 3/8
d) 24/4 - 3/4 = 21/4 = 5 1/4
e) 56/7 - 13/7 = 43/7 = 6 1/7
f) 156/13 - 72/13 = 84/13 = 6 6/13
g) 25/5 - 13/5 = 12/5 = 2 2/5
h) 63/7 - 39/7 = 24/7 = 3 3/7
