Solutions by everydaycalculation.com
1st number: 7 1/2, 2nd number: 9 1/7
152 - 647 is -2314.
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Related: 30/2-64/7 15/4-64/7 15/2-64/14 45/2-64/7 15/6-64/7 15/2-64/21 75/2-64/7 15/10-64/7 15/2-64/35 15/14-64/7 15/2-64/49
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