Solutions by everydaycalculation.com
1st number: 5 1/3, 2nd number: 5/7
163 - 57 is 9721.
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Related: 32/3-5/7 16/3-10/7 16/6-5/7 16/3-5/14 48/3-5/7 16/3-15/7 16/9-5/7 16/3-5/21 80/3-5/7 16/3-25/7 16/15-5/7 16/3-5/35 16/3-35/7 16/21-5/7 16/3-5/49
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