Solutions by everydaycalculation.com
1st number: 2 4/5, 2nd number: 9 1/7
145 - 647 is -22235.
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Related: 28/5-64/7 14/10-64/7 14/5-64/14 42/5-64/7 14/15-64/7 14/5-64/21 70/5-64/7 14/25-64/7 14/5-64/35 98/5-64/7 14/35-64/7 14/5-64/49
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