Solutions by everydaycalculation.com
1st number: 4 1/5, 2nd number: 7 7/8
215 - 638 is -14740.
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Related: 42/5-63/8 21/10-63/8 21/5-63/16 63/5-63/8 21/15-63/8 21/5-63/24 21/25-63/8 21/5-63/40 21/35-63/8 21/5-63/56
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