Solutions by everydaycalculation.com
1st number: 3 1/5, 2nd number: 7 7/8
165 - 638 is -18740.
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Related: 32/5-63/8 16/10-63/8 16/5-63/16 48/5-63/8 16/15-63/8 16/5-63/24 80/5-63/8 16/25-63/8 16/5-63/40 16/35-63/8 16/5-63/56
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