a) 6/7 * 5/8 = 30/56 = 15/28
b) 2/8 * 5/9 = 10/72 = 5/36
c) 4/19 * 2(3/8) = 4/19 * 6/8 = 6/38 = 3/19
d) 3(3/8) * 8/9 = 9/8 * 8/9 = 1
e) 7/11 * 12/24 = 84/264
f) 1(1/2) * 2/3 = 1/2 * 2/3 = 2/6 = 1/3
g) 3(1/5) * 2(1/4) = 3/5 * 2/4 = 6/20 = 3/10
h) 1/9 * 9(1/2) = 1/9 * 9/2 = 9/18 = 1/2
i) 3/7 : 7/3 = 3/7 * 3/7 = 9/49
j) 4(1/5) : 7/10 = 4/5 : 7/10 = 4/5 * 10/7 = 40/35 = 1 i 5/35 = 1 i 1/7
k) 1/2 : 1(1/4) = 1/2 : 1/4 = 1/2 * 4/1 = 4/2 = 2
l) 1(1/8) : 8 = 1/8 : 8 = 1/8 * 1/8 = 1/64
m) 4/8 : 1/2 = 4/8 * 2/1 = 8/8 = 1
n) 3(3/11) : 3 = 9/11 : 3 = 3/11
o) 2(3/7) : 4(6/7) = 6/7 : 24/7 = 6/7 * 7/24 = 1/4
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