Solutions by everydaycalculation.com
1st number: 12/20, 2nd number: 2 13/16
1220 - 4516 is -17780.
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Related: 24/20-45/16 12/20-90/16 12/40-45/16 12/20-45/32 36/20-45/16 12/60-45/16 12/20-45/48 60/20-45/16 12/20-45/80 84/20-45/16
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