How about 7 out of 8-1 out of 17 + 9 out of 8-17 out of 16

How about 7 out of 8-1 out of 17 + 9 out of 8-17 out of 16

7 / 8-1 / 17 + 9 / 8-17 / 16
=(7/8+9/8)-(1/17+16/17)
=2-1
=1
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