Solutions by everydaycalculation.com
1st number: 3 3/4, 2nd number: 9 1/7
154 - 647 is -15128.
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Related: 30/4-64/7 15/8-64/7 15/4-64/14 45/4-64/7 15/12-64/7 15/4-64/21 75/4-64/7 15/20-64/7 15/4-64/35 15/28-64/7 15/4-64/49
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