Solutions by everydaycalculation.com
1st number: 5 1/3, 2nd number: 2 1/7
163 - 157 is 6721.
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Related: 32/3-15/7 16/3-30/7 16/6-15/7 16/3-15/14 48/3-15/7 16/3-45/7 16/9-15/7 16/3-15/21 80/3-15/7 16/3-75/7 16/15-15/7 16/3-15/35 16/21-15/7 16/3-15/49
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