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Anonymous
divide both by the highest factor (8 in this case)
answer is 8 over 7
Wiki User
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Divide 56 and 64 by their hcf which is 8 and so 56/64 = 7/8
8/56 = 1/7
Expressed as a decimal, 56/64 = 0.875
7/4
45/64 is already in its simplest form
1/7