Solutions by everydaycalculation.com
1st number: 3 3/4, 2nd number: 12 4/5
154 - 645 is -18120.
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Related: 30/4-64/5 15/8-64/5 15/4-64/10 45/4-64/5 15/12-64/5 15/4-64/15 75/4-64/5 15/20-64/5 15/4-64/25 15/28-64/5 15/4-64/35
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