Solutions by everydaycalculation.com
1st number: 2/28, 2nd number: 7 7/8
228 - 638 is -43756.
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Related: 4/28-63/8 2/56-63/8 2/28-63/16 6/28-63/8 2/84-63/8 2/28-63/24 10/28-63/8 2/28-63/40 14/28-63/8 2/28-63/56
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