Solutions by everydaycalculation.com
1st number: 12/20, 2nd number: 1 9/16
1220 - 2516 is -7780.
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Related: 24/20-25/16 12/20-50/16 12/40-25/16 12/20-25/32 36/20-25/16 12/20-75/16 12/60-25/16 12/20-25/48 60/20-25/16 12/20-25/80 84/20-25/16
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